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@article{DM_1990_2_4_a2, author = {V. D. Solov'ev}, title = {Closed classes in $k$-valued logic with an operation of branching by predicates}, journal = {Diskretnaya Matematika}, pages = {18--25}, publisher = {mathdoc}, volume = {2}, number = {4}, year = {1990}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DM_1990_2_4_a2/} }
V. D. Solov'ev. Closed classes in $k$-valued logic with an operation of branching by predicates. Diskretnaya Matematika, Tome 2 (1990) no. 4, pp. 18-25. http://geodesic.mathdoc.fr/item/DM_1990_2_4_a2/