%0 Journal Article %A Brylinski, Ranee %A Kostant, Bertram %T Nilpotent orbits, normality and Hamiltonian group actions %J Journal of the American Mathematical Society %D 1994 %P 269-298 %V 07 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-1994-1239505-8/ %R 10.1090/S0894-0347-1994-1239505-8 %F 10_1090_S0894_0347_1994_1239505_8