TY - JOUR AU - V. A. Vedernikov TI - Subdirect products and formations of finite groups JO - Algebra i logika PY - 1990 SP - 523 EP - 548 VL - 29 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AL_1990_29_5_a1/ LA - ru ID - AL_1990_29_5_a1 ER -