%0 Journal Article %A A. Ramanathan %T Schubert varieties are arithmetically Cohen-Macaulay. %J Inventiones mathematicae %D 1985 %P 283-294 %V 80 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1985__80_143231/ %F IM_1985__80_143231