%0 Journal Article %A Lusztig, G. %T Quivers, perverse sheaves, and quantized enveloping algebras %J Journal of the American Mathematical Society %D 1991 %P 365-421 %V 04 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-1991-1088333-2/ %R 10.1090/S0894-0347-1991-1088333-2 %F 10_1090_S0894_0347_1991_1088333_2