TY  - JOUR
AU  - M. A. Grechkoseeva
TI  - Element orders in covers of finite simple groups
JO  - Algebra i logika
PY  - 2013
SP  - 638
EP  - 641
VL  - 52
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AL_2013_52_5_a8/
LA  - ru
ID  - AL_2013_52_5_a8
ER  -