%0 Journal Article %A M. Van den Bergh %T Cohen-Macaulayness of modules of covariants. %J Inventiones mathematicae %D 1991 %P 389-410 %V 106 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1991__106_1_143946/ %F IM_1991__106_1_143946