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@article{DAN_1966_167_6_a9, author = {R. V. Freivald}, title = {A completeness criterion for partial functions of logic and many-valued logic algebras}, journal = {Doklady Akademii Nauk}, pages = {1249--1250}, publisher = {mathdoc}, volume = {167}, number = {6}, year = {1966}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1966_167_6_a9/} }
R. V. Freivald. A completeness criterion for partial functions of logic and many-valued logic algebras. Doklady Akademii Nauk, Tome 167 (1966) no. 6, pp. 1249-1250. http://geodesic.mathdoc.fr/item/DAN_1966_167_6_a9/