%0 Journal Article %A Patrick Polo %A Martin P. Holland %T K-theory of twisted differential operators on flag varieties. %J Inventiones mathematicae %D 1996 %P 377-414 %V 123 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1996__123_3_144352/ %F IM_1996__123_3_144352