%0 Journal Article %A S. V. Rychkov %T Factor group of a direct product of Abelian groups by their direct sum %J Matematičeskie zametki %D 1981 %P 491-501 %V 29 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1981_29_4_a1/ %G ru %F MZM_1981_29_4_a1