%0 Journal Article %A Ya. G. Berkovich %T The existence of subgroups of a finite non-solvable group %J Doklady Akademii Nauk %D 1964 %P 1255-1257 %V 156 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1964_156_6_a0/ %G ru %F DAN_1964_156_6_a0