@article{GDZPPN002328933, title = {On Schubert Varieties in the Flag Manifold of SI (n, C).}, journal = {Mathematische Annalen}, volume = {275}, year = {1986}, pages = {205-224}, zbl = {0579.14045}, url = {http://dml.mathdoc.fr/item/GDZPPN002328933} }
Ryan, Kevin M. On Schubert Varieties in the Flag Manifold of SI (n, C).. Mathematische Annalen, Tome 275 (1986) pp. 205-224. http://gdmltest.u-ga.fr/item/GDZPPN002328933/