TY - JOUR AU - V. N. Tyutyanov TI - Product of two solvable subgroups of 3' index JO - Problemy fiziki, matematiki i tehniki PY - 2012 SP - 70 EP - 73 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/PFMT_2012_4_a13/ LA - ru ID - PFMT_2012_4_a13 ER -