%0 Journal Article %A Everett C. Dade %T Characters of Groups with Normal Extra Special Subgroups. %J Mathematische Zeitschrift %D 1976 %P 1-32 %V 152 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1976__152_172454/ %F MZ_1976__152_172454