%0 Journal Article %A M.T. Karkar %A J.A. Green %T A Theorem on the Restriction of Group Characters, and Its Application to the Character Theory of SL (n, q). %J Mathematische Annalen %D 1975 %P 131-134 %V 215 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAN_1975__215_162706/ %F MAN_1975__215_162706