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@article{DAN_1957_116_5_a5, author = {A. I. Mal'tsev}, title = {On classes of models which possess the operation of generation}, journal = {Doklady Akademii Nauk}, pages = {738--741}, publisher = {mathdoc}, volume = {116}, number = {5}, year = {1957}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1957_116_5_a5/} }
A. I. Mal'tsev. On classes of models which possess the operation of generation. Doklady Akademii Nauk, Tome 116 (1957) no. 5, pp. 738-741. http://geodesic.mathdoc.fr/item/DAN_1957_116_5_a5/