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@article{DAN_1961_138_5_a5, author = {A. I. Mal'tsev}, title = {Elementary theories of locally free universal algebras}, journal = {Doklady Akademii Nauk}, pages = {1009--1012}, publisher = {mathdoc}, volume = {138}, number = {5}, year = {1961}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1961_138_5_a5/} }
A. I. Mal'tsev. Elementary theories of locally free universal algebras. Doklady Akademii Nauk, Tome 138 (1961) no. 5, pp. 1009-1012. http://geodesic.mathdoc.fr/item/DAN_1961_138_5_a5/