TY  - JOUR
AU  - V. M. Sitnikov
TI  - Finite groups with 2-closed or $2'$-closed centralizers of involutions
JO  - Izvestiya. Mathematics 
PY  - 1971
SP  - 1215
EP  - 1230
VL  - 5
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM2_1971_5_6_a2/
LA  - en
ID  - IM2_1971_5_6_a2
ER  -