%0 Journal Article %A V. M. Sitnikov %T Finite groups with $2$-closed or $2'$-closed centralizers of involutions %J Matematičeskie zametki %D 1971 %P 437-446 %V 10 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1971_10_4_a7/ %G ru %F MZM_1971_10_4_a7