%0 Journal Article %A Francesco G. Russo %T A generalization of groups with many almost normal subgroups %J Algebra and discrete mathematics %D 2010 %P 79-85 %V 9 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/ADM_2010_9_1_a6/ %G en %F ADM_2010_9_1_a6