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@article{IVM_1971_1_a5, author = {Magomaev}, title = {On the theory of $W${-groups.~I}}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {45--52}, publisher = {mathdoc}, number = {1}, year = {1971}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1971_1_a5/} }
Magomaev. On the theory of $W$-groups.~I. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 1 (1971), pp. 45-52. http://geodesic.mathdoc.fr/item/IVM_1971_1_a5/