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Published: 27 July 2024

Last updated: 29 July 2024

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1

Mandic, Anamarija, Sonja Djilas, Jasna Canadanovic-Brunet, Gordana Cetkovic, and Jelena Vulic. "Antioxidant activity of white grape seed extracts on DPPH radicals." Acta Periodica Technologica, no. 40 (2009): 53–61. http://dx.doi.org/10.2298/apt0940053m.

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Composition and antioxidant activity of grape seed extract (GSE) obtained from red grape varietes are very well documented, in contrast to the white varietes. This paper presents the results of polyphenols content of ethyl acetate extract of grape seeds, obtained from two white grape varieties, Italian Riesling and Zupljanka, and their antioxidant activity on the stable DPPH radical. The influence of the addition of GSE to raspberry juice on the DPPH radical was also examined. Content of total polyphenols in GSEs ranged between 81.6 and 82.8% (w/w), and the contetn of flavan-3-ols between 66.2 and 91.0% (w/w). HPLC results showed that the most abundant components in the extract were (+)-catechin and (-)-epicatechin for both grape varieties. All tested GSEs exhibited good antioxidant activity. IC50 values for the GSEs of Italian Riesling and Zupljanka were 0.79 and 0.95 mg sample/mg DPPH radical, respectivelly. Since the GSE of Italian Riesling possesed stronger antioxidant activity, it was used for further experiments. The IC50 value for raspberry juice was 4.18 mg raspberry juice/mg DPPH. The raspberry juice with addition of 0.60 ?g/mL of GSE showed antioxidant activity of 39.2%. The same juice with the threefold concentration of vitamin C (1.81 ?g/ml) exhibited similar antioxidant activity (33.9%). Antioxidant activity of the same amount of juice without added antioxidants was lower (15.7%). The results showed that the GSE of white varietes could be considered as a good functional food ingredient.

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2

Полулях, А. А., and В. А. Волынкин. "Phenological specificity of local grape varieties of Crimea." Magarach Vinogradstvo i Vinodelie, no. 1(119) (March 24, 2022): 12–18. http://dx.doi.org/10.35547/im.2022.60.42.002.

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Местные сорта винограда Крыма Центра коллективного пользования Ампелографическая коллекция (ЦКП АК) «Магарач» представляют интерес для современной селекции и производства как генотипы, обладающие рядом ценных хозяйственных характеристик. Поэтому изучение биологических свойств этих сортов и знание их фенологических особенностей актуально для выявления и использования источников ценных признаков. Цель работы - характеристика фенологических фаз продукционного периода местных сортов винограда Крыма - потенциальных источников ценных признаков, обладающих высокой степенью максимально адаптированных к условиям и потребностям Республики Крым. Место проведения исследований - базовая коллекция винограда ФГБУН «ВННИИВиВ «Магарач» РАН» (ЦКП АК «Магарач»). Объект исследований - 72 местных сорта винограда Крыма АК «Магарач». В исследовании использованы методики: «Codes des caracteres descriptifs des varietes et especes de Vitis» (OIV, 2009) и «Изучение сортов винограда» (Лазаревский, 1963). В работе проведен сравнительный анализ наступления дат основных фенологических фаз продукционного периода за 2019-2021 гг., определена продолжительность межфазовых периодов и получена дифференциация 72 местных сортов винограда Крыма на группы по продолжительности продукционного периода. Установлено, что продолжительность продукционного периода (ППП) местных сортов винограда Крыма согласно международному классификатору OIV составляет: для винных сортов раннесреднего срока созревания - 135 дней; для винных сортов среднего срока созревания - 142-145 дней; для винных сортов среднепозднего срока созревания - 150-155 дней; для винных сортов позднего срока созревания - 159-165 дней; для столово-винных сортов среднепозднего срока созревания - 146-155 дней; для столовых сортов среднего срока созревания - 146 дней; для столовых сортов среднепозднего срока созревания - 155 дней; для столовых сортов позднего срока созревания - 164-165 дней. Полученные результаты будут способствовать целенаправленному отбору исходного материала в селекционных программах и эффективному использованию генетических ресурсов винограда в научных исследованиях. Local grape varieties of Crimea from the Resource Sharing Center Ampelographic Collection (RSC AC) Magarach are of interest for modern breeding and production as genotypes with a number of valuable economic characteristics. Therefore, the study of biological properties of these varieties and knowledge of their phenological characteristics is relevant for identifying and using sources of valuable traits. The purpose of the work is to characterize the phenological phases of production period of Crimean local grape varieties as potential sources of valuable traits that have a high degree of maximum adapted to the conditions and needs of the Republic of Crimea. The place of research is the basis collection of grapes of the FSBSI Institute Magarach of the RAS (RSC AC Magarach). The objects of research are 72 Crimean local grape varieties of AC Magarach. The following methods were used in the study: "Codes des caracteres descriptifs des varietes et especes de Vitis" (OIV, 2009) and "Study of grape varieties" (Lazarevsky, 1963). In the work we carried out a comparative analysis of onset of the dates of basic phenological phases of production period for 2019-2021, determined the duration of interphase periods, and obtained differentiation of 72 local grape varieties of Crimea by groups according to the production period duration. It was established that the production period duration (PPD) of Crimean local grape varieties according to the international classifier OIV is: for wine varieties of early-medium ripening - 135 days; for wine varieties of medium ripening - 142-145 days; for wine varieties of medium-late ripening - 150-155 days; for wine varieties of late ripening - 159-165 days; for table and wine varieties of medium-late ripening - 146-155 days; for table varieties of medium ripening - 146 days; for table varieties of medium-late ripening - 155 days; for table varieties of late ripening - 164-165 days. The results obtained will contribute to the targeted selection of source material in breeding programs and the effective use of grape genetic resources in scientific research.

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3

Musaddad, D., R. Kirana, I. R. Sa’adah, Harmanto, M. Thamrin, Waryat, and M. T. Ratule. "The Potential of Chili Varieties as Powder Raw Material." IOP Conference Series: Earth and Environmental Science 985, no. 1 (February 1, 2022): 012044. http://dx.doi.org/10.1088/1755-1315/985/1/012044.

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Abstract Selection Chili powder is one of chili product diversification form that can be a solution to solve the problems when chili production is abundant. This study aimed to test the potential of The Indonesian Agency for Agricultural Research and Development (IAARD’s) chili varieties as chili powder raw material. The research was conducted at IVEGRI from September to December 2020. A completely randomized design was applied with 10 treatments and 3 replications. The treatments consisted of 10 registered IAARD’s varieties. The results showed that there were two main components that influenced the diversity between tested varieties, the first main component (powder yield, moisture content, spiciness level, fruit diameter, thickness of fruit skin and weight per fruit) were 62.7% and the second main component (levels of vitamin C and fruit length) were 15.7%. The chili varietes that have the best yield of powder and spiciness were Lembang-1, Kencana, and Pancanaka. Meanwhile, Branang had a goodlevels of flour, spiciness, and vitamin C. By considering the parameters that are closely related to chili powder production, the potential varieties as chili powder raw material are Lembang-1, Kencana, Pancanaka and Branang. Further research is still needed to test the potential chili varieties as other processed.

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4

Streeck, Wolfgang. "Varieties of Varieties." Politics & Society 44, no. 2 (April 7, 2016): 243–47. http://dx.doi.org/10.1177/0032329216638060.

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5

Santiaguillo, J. F., A. Peña, and D. Montalvo. "EVALUACIÓN DE VARIEDADES DE TOMATE DE CÁSCARA EVALUATION OF HUSK TOMATO VARIETIES (Physalis spp.)." Revista Chapingo Serie Horticultura IV, no. 02 (December 1998): 83–88. http://dx.doi.org/10.5154/r.rchsh.1998.04.035.

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6

Terzi, İsmail, Mehmet Metin Özgüven, and Adem Yağcı. "Derin Öğrenme Teknikleri ile Bazı Üzüm Çeşitlerinin Tespiti." Turkish Journal of Agriculture - Food Science and Technology 11, no. 1 (January 31, 2023): 125–30. http://dx.doi.org/10.24925/turjaf.v11i1.125-130.5722.

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While determining grape varieties in viticulture, characterization features of shoots, leaves, clusters and fruits are used. These characterization features, in order to form an international method union, with a working team formed on behalf of the "International Board for Plant Genetic Resources" and the "Office International de la Vigne et du Vin-OIV" and "International Board for Plant Genetic Resources". It has been published in a norm called 'Grape Descriptors', developed in collaboration with the international union for the Protection of New Varietes of Plants-UPOV. The ampelographic characteristics of grape varieties are determined according to the characterization features in this norm. Each grape variety has ampelographic characteristics specific to its shoot, leaf, inflorescence and fruit. After these features are determined according to the grape descriptor norm, they are expressed numerically or verbally. In this study, using ampelographic features, Corint, Merlot, Tayfi, Michele palieri, Narince grape varieties were classified using deep learning techniques. The aim is to determine which grape variety it is by using the ampelographic characteristics of grape varieties with deep learning techniques. A new CNN model consisting of 15 layers was created for the study A total of 1028 images of 227×227×3 dimensions of the clusters and fruits of five grape varieties were used in the data set with five classes. 80% of the images are reserved for training and 20% for validation. In the MATLAB program, 96.10% classification success rate was achieved with the new and originally developed CNN model. It was concluded that the CNN model created as a result of the analyzes was successful and could be used in the classification of grape varieties.

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7

Gonciulea, Nicolae, and Venkatramani Lakshmibai. "Schubert varieties, toric varieties and ladder determinantal varieties." Annales de l’institut Fourier 47, no. 4 (1997): 1013–64. http://dx.doi.org/10.5802/aif.1590.

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8

A.E., Karshiev, and Saimnazarov Yuldash Bekmirzayevich. "SELECTION OF APRICOT VARIETIES." American Journal Of Agriculture And Horticulture Innovations 03, no. 06 (June 1, 2023): 27–33. http://dx.doi.org/10.37547/ajahi/volume03issue06-07.

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The article provides research observations on the formation of apricot trees to study local and foreign varieties of apricots in the conditions of the Kashkadarya viloti and to select varieties that are promising, as well as the correct formation of pine-Shaba in trees where the shape is given and annual varieties are shortened, the quality of fruits increases, adaptability to external conditions.

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9

Rehuš, Marián, and Magdaléna Valšíková. "Evaluation of the content of pigments and total sugars in ground sweet paprika." Potravinarstvo Slovak Journal of Food Sciences 13, no. 1 (September 28, 2019): 700–705. http://dx.doi.org/10.5219/1120.

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The aim of this research was to evaluate and compare the content of pigments and total sugars in raw materials of both the domestic as well as foreign origin that are used in the production of sweet ground pepper. The tests included two samples exported from abroad, specifically from Serbia and China and the following domestic varietes of Capsicum annum L.: Kolora, Žitava, Dvorská (varieties that form the base of the final product called Paprika Žitava/Žitavská paprika and a mix of a number of domestic varieties called Slovenský polotovar. The tests were conducted in 2015 and 2016. The highest content of pigments in both years was contained in Dvorská and Kolora – 6.81 and 6.11 g.kg⁻¹. The largest amount of total sugars was recorded within Žitava in 2015 (20.5%) and in 2016 Slovenský polotovar with 24.5%. Both the exported as well as domestic products fulfilled the parameters of quality required in the production of sweet pepper.

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10

VALENTI, ANGELA, and SERGEY MISHCHENKO. "Nilpotent varieties and metabelian varieties." Turkish Journal of Mathematics 46, no. 5 (January 1, 2022): 2023–33. http://dx.doi.org/10.55730/1300-0098.3250.

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11

Catalisano, M. V., A. V. Geramita, and A. Gimigliano. "Secant varieties of Grassmann varieties." Proceedings of the American Mathematical Society 133, no. 3 (October 7, 2004): 633–42. http://dx.doi.org/10.1090/s0002-9939-04-07632-4.

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12

Coutinho, S. C., M. P. Holland, and D. Levcovitz. "Conormal varieties and characteristic varieties." Proceedings of the American Mathematical Society 128, no. 4 (August 5, 1999): 975–80. http://dx.doi.org/10.1090/s0002-9939-99-05137-0.

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13

SCHOEN, CHAD. "VARIETIES DOMINATED BY PRODUCT VARIETIES." International Journal of Mathematics 07, no. 04 (August 1996): 541–71. http://dx.doi.org/10.1142/s0129167x9600030x.

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14

Cox, David, and Jessica Sidman. "Secant varieties of toric varieties." Journal of Pure and Applied Algebra 209, no. 3 (June 2007): 651–69. http://dx.doi.org/10.1016/j.jpaa.2006.07.008.

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15

Nakamoto, Kazunori. "Representation varieties and character varieties." Publications of the Research Institute for Mathematical Sciences 36, no. 2 (2000): 159–89. http://dx.doi.org/10.2977/prims/1195143100.

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16

Bakalova, A., H. Tkalenko, O. Derecha, O. Borzykh, N. Hrytsiuk, and V. Podziubanchuk. "Biological stability of varieties of black currant against Cecidophyopsis ribis Westw. of the Polish Ukraine." Karantin i zahist roslin, no. 11-12 (December 6, 2019): 5–8. http://dx.doi.org/10.36495/2312-0614.2019.11-12.5-8.

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Goal. Study of the biological stability of different varieties of black currant against currant bud mite and determination of its number. Methods. The assessment of resistance was carried out in response to signs of damaging bud spherical in shape, resembling a method of histological cut of the bud. Determination of the population of each species of currant mite was conducted on a scale of 9 points in the conditions of the Eexperimental field of Zhytomyr National Agroecological University. Results. As a result of the research, it was found that the Titania variety is more resistant to the renal mite, and therefore, the total population density versus the standard variety is 1.46 units. The investigated varieties of black currant were conventionally divided into stable, medium-stable and unstable. By Medium-resistant include varieties Chernech and Vorskla’s Daughter, the coefficient of their population is from 0.80—0.86 units. Compared with the variat of standard, the Amethyst variety was unstable to the tick, the total coefficient of its population was close to 2.0 units. Comparing the results of histological sections of the buds of each varietie, the number of mites in comparison with the variet of standard was from 720 to 1786 units./ bud. In the course of studies on the biological resistance of different varieties of black currant to cinnamon bud mite, it was found that the varieties studied in the experiment are not persistent. Conclusions. The highest density was detected on an unstable Amethyst variety — 1340 specimens/bud, which exceeds the economic threshold of harm and leads to the need for appropriate protection. Taking into account resistant varieties of black currant against cinnabar bud mite, we have developed a biologized defense system. It contributes to limiting the migration of larvae of travelers in the formation of the fetuses, regulates the size of the population, increases the resistance of plants, and is the most important element of intensive technology of raising berries with a high level of payback and competitiveness.

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17

Bernardi, A., M. V. Catalisano, A. Gimigliano, and M. Idà. "Osculating Varieties of Veronese Varieties and Their Higher Secant Varieties." Canadian Journal of Mathematics 59, no. 3 (June 1, 2007): 488–502. http://dx.doi.org/10.4153/cjm-2007-021-6.

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AbstractWe consider the k-osculating varieties Ok,n.d to the (Veronese) d-uple embeddings of ℙn. We study the dimension of their higher secant varieties via inverse systems (apolarity). By associating certain 0-dimensional schemes Y ⊂ ℙn to and by studying their Hilbert functions, we are able, in several cases, to determine whether those secant varieties are defective or not.

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18

Duda, Jaromír. "Coherence in varieties of algebras." Czechoslovak Mathematical Journal 39, no. 4 (1989): 711–16. http://dx.doi.org/10.21136/cmj.1989.102348.

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19

Pondělíček, Bedřich. "Tolerance modular varieties of semigroups." Czechoslovak Mathematical Journal 40, no. 3 (1990): 441–52. http://dx.doi.org/10.21136/cmj.1990.102396.

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20

Pondělíček, Bedřich. "On varieties of regular $*$-semigroups." Czechoslovak Mathematical Journal 41, no. 1 (1991): 110–19. http://dx.doi.org/10.21136/cmj.1991.102440.

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21

Pondělíček, Bedřich. "On permutability in semigroup varieties." Mathematica Bohemica 116, no. 4 (1991): 396–400. http://dx.doi.org/10.21136/mb.1991.126027.

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22

López-Herrera, A. "La propiedad intelectual de las variedades de plantas." Revista Chapingo Serie Horticultura I, no. 01 (January 1994): 188–93. http://dx.doi.org/10.5154/r.rchsh.1993.06.043.

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23

Maksudovna, Raximova Xolisxon, Akhmedova Dilbar Bahodirovna, and Khosinova Gulhayo Shukhratovna. "LEMON VARIETIES GROWN IN UZBEKISTAN." Eurasian Journal of Medical and Natural Sciences 03, no. 02 (February 1, 2023): 64–69. http://dx.doi.org/10.37547/ejmns-v03-i02-p2-50.

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This article provides information on the cultivation of lemons in the climatic conditions of Uzbekistan only in greenhouses, the possibility of creating an artificially favorable environment for it, and that lemons begin to bear fruit in October, and some varieties in December-January.

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24

Esanovich, Karshiev Alisher. "SELECTING DROUGHT-RESISTANT APRICOT VARIETIES." American Journal of Agriculture and Biomedical Engineering 05, no. 01 (January 1, 2023): 1–7. http://dx.doi.org/10.37547/tajabe/volume05issue01-01.

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Among local and introduced apricot varieties, it is aimed to isolate the varieties with valuable biological and economic properties, and to breed seedlings of the selected variety, to increase apricot groves by selecting varieties suitable for desert regions based on promising drought-resistant high-yielding varieties

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25

Machado, Cynthia Torres de Toledo, and Ângela Maria Cangiani Furlani. "Kinetics of phosphorus uptake and root morphology of local and improved varieties of maize." Scientia Agricola 61, no. 1 (February 2004): 69–76. http://dx.doi.org/10.1590/s0103-90162004000100012.

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Interspecific and intraspecific differences in the efficiency of utilization of soil phosphorus (P) are explained, in part, by plant morphological and physiological variations, which characterize the plant for nutrient acquisition. As part of a study on maize genotypes characterization for P-uptake and use efficiency, kinetic parameters of P uptake and root morphological characters were evaluated for six local and improved maize varieties, grown in nutrient solution. The kinetic parameters related to P influx were: maximal transport rate (Vmax), the Michaelis-Menten constant (Km), and the external concentration when net uptake is zero (Cmin). Measured root morphological characters were: root length, radius, and surface area. Shoot and root dry matter yield and the P content in these parts were also determined. Diferences among varieties were observed in the kinetic parameters Vmax and Km, root length and in root/shoot dry matter ratio. Lower Km values were better indicatives of P uptake ability of the varietes and were significantly correlated to higher dry matter production and P-efficiency index.

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26

Batyrev, Victor V., and David A. Cox. "varieties." Duke Mathematical Journal 75, no. 2 (August 1994): 293–338. http://dx.doi.org/10.1215/s0012-7094-94-07509-1.

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27

Pappas, Georgios. "varieties." Duke Mathematical Journal 91, no. 2 (February 1998): 215–24. http://dx.doi.org/10.1215/s0012-7094-98-09110-4.

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28

Demeny], [Paul, and Jonathan Lieberson. "Varieties." Population and Development Review 15, no. 3 (September 1989): 577. http://dx.doi.org/10.2307/1972457.

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29

Raicu, Claudiu. "Secant varieties of Segre–Veronese varieties." Algebra & Number Theory 6, no. 8 (December 14, 2012): 1817–68. http://dx.doi.org/10.2140/ant.2012.6.1817.

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30

Burris, Stanley, Ralph Mckenzie, and Matthew Valeriote. "Decidable discriminator varieties from unary varieties." Journal of Symbolic Logic 56, no. 4 (December 1991): 1355–68. http://dx.doi.org/10.2307/2275480.

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31

Ein, Lawrence. "Varieties with small dual varieties II." Duke Mathematical Journal 52, no. 4 (September 1985): 895–907. http://dx.doi.org/10.1215/s0012-7094-85-05247-0.

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32

Rorty, Amélie Oksenberg. "Varieties of rationality, varieties of emotion." Social Science Information 24, no. 2 (June 1985): 343–53. http://dx.doi.org/10.1177/053901885024002010.

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33

Ballico, E. "Real varieties associated to complex varieties." Journal of Pure and Applied Algebra 185, no. 1-3 (December 2003): 1–5. http://dx.doi.org/10.1016/s0022-4049(03)00108-7.

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34

Kaji, Hajime, Masahiro Ohno, and Osami Yasukura. "Adjoint varieties and their secant varieties." Indagationes Mathematicae 10, no. 1 (1999): 45–57. http://dx.doi.org/10.1016/s0019-3577(99)80004-4.

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35

Alexeev, Valery, and Michel Brion. "Stable reductive varieties I: Affine varieties." Inventiones mathematicae 157, no. 2 (August 2004): 227–74. http://dx.doi.org/10.1007/s00222-003-0347-y.

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36

Ein, Lawrence. "Varieties with small dual varieties, I." Inventiones Mathematicae 86, no. 1 (February 1986): 63–74. http://dx.doi.org/10.1007/bf01391495.

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37

Pukhlikov, A. V. "Birationally rigid varieties. I. Fano varieties." Russian Mathematical Surveys 62, no. 5 (October 31, 2007): 857–942. http://dx.doi.org/10.1070/rm2007v062n05abeh004454.

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38

Oeding, Luke, and Claudiu Raicu. "Tangential varieties of Segre–Veronese varieties." Collectanea Mathematica 65, no. 3 (April 6, 2014): 303–30. http://dx.doi.org/10.1007/s13348-014-0111-1.

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39

Plotkin, B. "Varieties of algebras and algebraic varieties." Israel Journal of Mathematics 96, no. 2 (June 1996): 511–22. http://dx.doi.org/10.1007/bf02937320.

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40

Agliano, P., and K. A. Kearnes. "Congruence semimodular varieties II: Regular varieties." Algebra Universalis 32, no. 2 (June 1994): 270–96. http://dx.doi.org/10.1007/bf01191541.

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41

Abo, Hirotachi, and Nick Vannieuwenhoven. "Most secant varieties of tangential varieties to Veronese varieties are nondefective." Transactions of the American Mathematical Society 370, no. 1 (August 3, 2017): 393–420. http://dx.doi.org/10.1090/tran/6955.

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42

EYDURAN, Sadiye Peral, and Zeynebi Kübra AZİTİ. "Polyphenol Oxidase Enzyme Activity of Mulberries Grown in Iğdir Ecological Conditions." Journal of Agriculture 6, no. 2 (December 31, 2023): 99–109. http://dx.doi.org/10.46876/ja.1380024.

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The presence of polyphenol oxidase enzyme (PFO) in black and white mulberry varieties grown in Iğdır province were determined. In the study, no polyphenol oxidase enzyme was detected in the white mulberry varietie, therefore the study was conducted only with black mulberry varieties. The mulberry samples were collected from Iğdır Center, Melekli and Karakoyunlu districts during June and July, both in 2015 and 2016, when the fruits were fully ripe. Mulberries were stored at -20 °C, and the crude enzyme extract was stabilized with pH 5.0 sodium-acetate buffer containing 1% Polyethylene glycol (PEG). To weigh with a precision scale, 20 grams of frozen mulberries were taken into mortars. After the mulberries were thoroughly crushed in these mortars, 40 ml of crude enzyme extract preparation solution was added to each variety and mixed homogeneously. These mixtures were filtered through a cheesecloth and rotated at 4 °C, 10,000 rpm for 30 minutes. The obtained supernatants were used for enzyme solubilization, and the enzyme activity of the solution was determined spectrophotometrically. The PFO content depended on the genotype. There was a significant difference among the tested mulberry genotypes.

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43

Duda, Jaromír. "Varieties having directly decomposable congruence classes." Časopis pro pěstování matematiky 111, no. 4 (1986): 394–403. http://dx.doi.org/10.21136/cpm.1986.118287.

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44

Chajda, Ivan. "A note on permutability in varieties." Časopis pro pěstování matematiky 115, no. 1 (1990): 85–91. http://dx.doi.org/10.21136/cpm.1990.108721.

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45

Jakubík, Ján. "Retract varieties of lattice ordered groups." Czechoslovak Mathematical Journal 40, no. 1 (1990): 104–12. http://dx.doi.org/10.21136/cmj.1990.102362.

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46

Chajda, Ivan. "Varieties having distributive lattices of quasiorders." Czechoslovak Mathematical Journal 41, no. 1 (1991): 85–89. http://dx.doi.org/10.21136/cmj.1991.102436.

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47

Pondělíček, Bedřich. "On varieties of regular $*$-semigroups, II." Czechoslovak Mathematical Journal 41, no. 3 (1991): 512–17. http://dx.doi.org/10.21136/cmj.1991.102485.

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48

Chajda, Ivan. "Jónsson's lemma for normally presented varieties." Mathematica Bohemica 122, no. 4 (1997): 381–82. http://dx.doi.org/10.21136/mb.1997.126209.

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49

Chajda, Ivan. "Uniformity of congruences in coherent varieties." Mathematica Bohemica 125, no. 3 (2000): 269–73. http://dx.doi.org/10.21136/mb.2000.126134.

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50

Chajda, Ivan. "Generalized deductive systems in subregular varieties." Mathematica Bohemica 128, no. 3 (2003): 319–24. http://dx.doi.org/10.21136/mb.2003.134184.

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