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@article{AL_1972_11_1_a0, author = {A. I. Abakumov and E. A. Palyutin and M. A. Taitslin and Yu. E. Shishmarev}, title = {Categorial quasivarieties}, journal = {Algebra i logika}, pages = {3--38}, publisher = {mathdoc}, volume = {11}, number = {1}, year = {1972}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AL_1972_11_1_a0/} }
A. I. Abakumov; E. A. Palyutin; M. A. Taitslin; Yu. E. Shishmarev. Categorial quasivarieties. Algebra i logika, Tome 11 (1972) no. 1, pp. 3-38. http://geodesic.mathdoc.fr/item/AL_1972_11_1_a0/