%0 Journal Article %A De Concini, C. %A Lusztig, G. %A Procesi, C. %T Homology of the zero-set of a nilpotent vector field on a flag manifold %J Journal of the American Mathematical Society %D 1988 %P 15-34 %V 01 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-1988-0924700-2/ %R 10.1090/S0894-0347-1988-0924700-2 %F 10_1090_S0894_0347_1988_0924700_2