TY - JOUR AU - P. E. Dyubyuk TI - On the number of subgroups of a finite abelian group JO - Doklady Akademii Nauk PY - 1961 SP - 506 EP - 508 VL - 137 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1961_137_3_a3/ LA - ru ID - DAN_1961_137_3_a3 ER -