TY  - JOUR
AU  - V. L. Kurakin
TI  - The exponent of the congruence subgroup of a finite
JO  - Algebra i logika
PY  - 1997
SP  - 657
EP  - 674
VL  - 36
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AL_1997_36_6_a3/
LA  - ru
ID  - AL_1997_36_6_a3
ER  -