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@article{DAN_1958_119_6_a9, author = {A. I. Mal'tsev}, title = {The defining relations in categories}, journal = {Doklady Akademii Nauk}, pages = {1095--1098}, publisher = {mathdoc}, volume = {119}, number = {6}, year = {1958}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1958_119_6_a9/} }
A. I. Mal'tsev. The defining relations in categories. Doklady Akademii Nauk, Tome 119 (1958) no. 6, pp. 1095-1098. http://geodesic.mathdoc.fr/item/DAN_1958_119_6_a9/