TY - JOUR AU - A. A. Chebotar' TI - Subgroups of groups with a defining relation that are representable in the form of a direct product JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1978 SP - 109 EP - 118 IS - 8 UR - http://geodesic.mathdoc.fr/item/IVM_1978_8_a15/ LA - ru ID - IVM_1978_8_a15 ER -