TY - JOUR AU - E. V. Kaigorodov AU - P. A. Krylov TI - On some classes of Hopfian Abelian groups and modules JO - Fundamentalʹnaâ i prikladnaâ matematika PY - 2015 SP - 61 EP - 68 VL - 20 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FPM_2015_20_5_a6/ LA - ru ID - FPM_2015_20_5_a6 ER -