%0 Journal Article
%A V. M. Sitnikov
%T Finite groups with 2-closed or $2'$-closed centralizers of involutions
%J Izvestiya. Mathematics 
%D 1971
%P 1215-1230
%V 5
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IM2_1971_5_6_a2/
%G en
%F IM2_1971_5_6_a2