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@article{IVM_1987_12_a7, author = {I. B. Kozhukhov and M. Ya. Finkel'shtein}, title = {Perfect and semiprimary subgroup rings}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {45--48}, publisher = {mathdoc}, number = {12}, year = {1987}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1987_12_a7/} }
I. B. Kozhukhov; M. Ya. Finkel'shtein. Perfect and semiprimary subgroup rings. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 12 (1987), pp. 45-48. http://geodesic.mathdoc.fr/item/IVM_1987_12_a7/