TY - JOUR AU - D. N. Ivanov TI - $\mathscr H$-bijections of groups and $\mathscr H_R$-isomorphisms of group rings JO - Sbornik. Mathematics PY - 1997 SP - 823 EP - 841 VL - 188 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SM_1997_188_6_a1/ LA - en ID - SM_1997_188_6_a1 ER -