TY  - JOUR
AU  - A. V. Zavarnitsin
AU  - V. D. Mazurov
TI  - On element orders in coverings of the simple groups $L_n(q)$ and $U_n(q)$
JO  - Trudy Instituta matematiki i mehaniki
PY  - 2007
SP  - 89
EP  - 98
VL  - 13
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TIMM_2007_13_1_a5/
LA  - ru
ID  - TIMM_2007_13_1_a5
ER  -