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@article{AL_1982_21_1_a1, author = {A. I. Valitskas}, title = {Absence of a finite basis of quasi-identities for a}, journal = {Algebra i logika}, pages = {13--36}, publisher = {mathdoc}, volume = {21}, number = {1}, year = {1982}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AL_1982_21_1_a1/} }
A. I. Valitskas. Absence of a finite basis of quasi-identities for a. Algebra i logika, Tome 21 (1982) no. 1, pp. 13-36. http://geodesic.mathdoc.fr/item/AL_1982_21_1_a1/