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@article{IVM_1985_11_a4, author = {Yu. N. Mal'tsev}, title = {A~method of proof for commutativity theorems}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {72--75}, publisher = {mathdoc}, number = {11}, year = {1985}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1985_11_a4/} }
Yu. N. Mal'tsev. A~method of proof for commutativity theorems. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 11 (1985), pp. 72-75. http://geodesic.mathdoc.fr/item/IVM_1985_11_a4/