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@article{DM_2017_29_2_a3, author = {S. S. Marchenkov and A. V. Chernyshev}, title = {Basic positively closed classes in three-valued logic}, journal = {Diskretnaya Matematika}, pages = {40--52}, publisher = {mathdoc}, volume = {29}, number = {2}, year = {2017}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DM_2017_29_2_a3/} }
S. S. Marchenkov; A. V. Chernyshev. Basic positively closed classes in three-valued logic. Diskretnaya Matematika, Tome 29 (2017) no. 2, pp. 40-52. http://geodesic.mathdoc.fr/item/DM_2017_29_2_a3/