TY - JOUR AU - S. V. Rychkov TI - Endomorphism rings of abelian groups JO - Algebra i logika PY - 1988 SP - 327 EP - 342 VL - 27 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AL_1988_27_3_a5/ LA - ru ID - AL_1988_27_3_a5 ER -