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@article{MAT_1968_12_4_a4, author = {G. Baumslag and B. H. Neumann and H. Neumann and P. M. Neumann}, title = {On varieties generated by a finitely generated group}, journal = {Matematika}, pages = {50--79}, publisher = {mathdoc}, volume = {12}, number = {4}, year = {1968}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MAT_1968_12_4_a4/} }
G. Baumslag; B. H. Neumann; H. Neumann; P. M. Neumann. On varieties generated by a finitely generated group. Matematika, Tome 12 (1968) no. 4, pp. 50-79. http://geodesic.mathdoc.fr/item/MAT_1968_12_4_a4/