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@article{PFMT_2010_4_a6, author = {A. N. Skiba}, title = {On the $SE$-core of subgroups of a finite group}, journal = {Problemy fiziki, matematiki i tehniki}, pages = {39--45}, publisher = {mathdoc}, number = {4}, year = {2010}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PFMT_2010_4_a6/} }
A. N. Skiba. On the $SE$-core of subgroups of a finite group. Problemy fiziki, matematiki i tehniki, no. 4 (2010), pp. 39-45. http://geodesic.mathdoc.fr/item/PFMT_2010_4_a6/