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@article{MMO_1977_34_a5, author = {G. K. Genov}, title = {Associative functorial operations on the class of groups}, journal = {Trudy Moskovskogo matemati\v{c}eskogo ob\^{s}estva}, pages = {195--212}, publisher = {mathdoc}, volume = {34}, year = {1977}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MMO_1977_34_a5/} }
G. K. Genov. Associative functorial operations on the class of groups. Trudy Moskovskogo matematičeskogo obŝestva, Trudy Moskovskogo Matematicheskogo Obshchestva, Tome 34 (1977), pp. 195-212. http://geodesic.mathdoc.fr/item/MMO_1977_34_a5/