%0 Journal Article %A Yu. V. Gorbatova %T On permutable strongly $2$-maximal and strongly $3$-maximal subgroups %J Vestnik rossijskih universitetov. Matematika %D 2021 %P 121-129 %V 26 %N 134 %I mathdoc %U http://geodesic.mathdoc.fr/item/VTAMU_2021_26_134_a1/ %G ru %F VTAMU_2021_26_134_a1