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@article{DA_2014_21_1_a5, author = {S. S. Marchenkov}, title = {Positive closed classes in the three-valued logic}, journal = {Diskretnyj analiz i issledovanie operacij}, pages = {67--83}, publisher = {mathdoc}, volume = {21}, number = {1}, year = {2014}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DA_2014_21_1_a5/} }
S. S. Marchenkov. Positive closed classes in the three-valued logic. Diskretnyj analiz i issledovanie operacij, Tome 21 (2014) no. 1, pp. 67-83. http://geodesic.mathdoc.fr/item/DA_2014_21_1_a5/