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@article{AL_1988_27_1_a2, author = {Nguyen Van Hoa}, title = {$L$-equivalence of systems of functions in many-valued}, journal = {Algebra i logika}, pages = {37--47}, publisher = {mathdoc}, volume = {27}, number = {1}, year = {1988}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AL_1988_27_1_a2/} }
Nguyen Van Hoa. $L$-equivalence of systems of functions in many-valued. Algebra i logika, Tome 27 (1988) no. 1, pp. 37-47. http://geodesic.mathdoc.fr/item/AL_1988_27_1_a2/