%0 Journal Article %A William M. McGovern %T Rings of regular functions on nilpotent orbits and their covers. %J Inventiones mathematicae %D 1989 %P 209-218 %V 97 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1989__97_2_143699/ %F IM_1989__97_2_143699