%0 Journal Article %A Ahmad Chalabi %T Modules over Group Algebras and Their Application in the Study of Semi -Simplicity. %J Mathematische Annalen %D 1973 %P 57-64 %V 201 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAN_1973__201_162371/ %F MAN_1973__201_162371