%0 Journal Article %A S. F. Kamornikov %A O. L. Shemetkova %T On permutability of $\sigma$-subnormal subgroups of finite group %J Problemy fiziki, matematiki i tehniki %D 2019 %P 70-73 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/PFMT_2019_3_a11/ %G ru %F PFMT_2019_3_a11