%0 Journal Article %A Lluis Puig %T Nilpotent blocks and their source algebras. %J Inventiones mathematicae %D 1988 %P 77-116 %V 93 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1988__93_2_143590/ %F IM_1988__93_2_143590