@article{PFMT_2010_4_a9,
     author = {S. N. Shevchuk and V. N. Semenchuk},
     title = {Finite groups with generalized subnormal subgroups},
     journal = {Problemy fiziki, matematiki i tehniki},
     pages = {57--60},
     publisher = {mathdoc},
     number = {4},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PFMT_2010_4_a9/}
}