TY - JOUR AU - Yu. M. Gorchakov TI - Subgroups of direct products JO - Algebra i logika PY - 1976 SP - 622 EP - 627 VL - 15 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AL_1976_15_6_a1/ LA - ru ID - AL_1976_15_6_a1 ER -