@article{10_1090_S0894_0347_1988_0924700_2, author = {De Concini, C. and Lusztig, G. and Procesi, C.}, title = {Homology of the zero-set of a nilpotent vector field on a flag manifold}, journal = {Journal of the American Mathematical Society}, pages = {15--34}, publisher = {mathdoc}, volume = {01}, number = {1}, year = {1988}, doi = {10.1090/S0894-0347-1988-0924700-2}, url = {http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-1988-0924700-2/} }