TY - JOUR AU - Francesco G. Russo TI - A generalization of groups with many almost normal subgroups JO - Algebra and discrete mathematics PY - 2010 SP - 79 EP - 85 VL - 9 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ADM_2010_9_1_a6/ LA - en ID - ADM_2010_9_1_a6 ER -