TY  - JOUR
AU  - Ya. G. Berkovich
TI  - A~condition which is necessary for a~group to coincide with the commutant.
JO  - Izvestiâ vysših učebnyh zavedenij. Matematika
PY  - 1968
SP  - 11
EP  - 17
IS  - 8
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IVM_1968_8_a1/
LA  - ru
ID  - IVM_1968_8_a1
ER  -