TY - JOUR AU - S. V. Rychkov TI - Factor group of a direct product of Abelian groups by their direct sum JO - Matematičeskie zametki PY - 1981 SP - 491 EP - 501 VL - 29 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1981_29_4_a1/ LA - ru ID - MZM_1981_29_4_a1 ER -