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@article{MZM_1982_31_6_a0, author = {A. I. Budkin}, title = {Independent axiomatizability of quasivarieties of groups}, journal = {Matemati\v{c}eskie zametki}, pages = {817--826}, publisher = {mathdoc}, volume = {31}, number = {6}, year = {1982}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1982_31_6_a0/} }
A. I. Budkin. Independent axiomatizability of quasivarieties of groups. Matematičeskie zametki, Tome 31 (1982) no. 6, pp. 817-826. http://geodesic.mathdoc.fr/item/MZM_1982_31_6_a0/