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@article{DAN_1966_167_3_a12, author = {L. A. Shemetkov}, title = {Normal structure of finite groups}, journal = {Doklady Akademii Nauk}, pages = {534--537}, publisher = {mathdoc}, volume = {167}, number = {3}, year = {1966}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1966_167_3_a12/} }
L. A. Shemetkov. Normal structure of finite groups. Doklady Akademii Nauk, Tome 167 (1966) no. 3, pp. 534-537. http://geodesic.mathdoc.fr/item/DAN_1966_167_3_a12/