%0 Journal Article %A Lusztig, G. %T Canonical bases arising from quantized enveloping algebras %J Journal of the American Mathematical Society %D 1990 %P 447-498 %V 03 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-1990-1035415-6/ %R 10.1090/S0894-0347-1990-1035415-6 %F 10_1090_S0894_0347_1990_1035415_6