@article{GDZPPN002069393,
title = {On the set of orbits for a Borel subgroup.},
journal = {Commentarii mathematici Helvetici},
volume = {70},
year = {1995},
pages = {285-309},
zbl = {0828.22016},
url = {http://dml.mathdoc.fr/item/GDZPPN002069393}
}
Knop, Friedrich. On the set of orbits for a Borel subgroup.. Commentarii mathematici Helvetici, Tome 70 (1995) pp. 285-309. http://gdmltest.u-ga.fr/item/GDZPPN002069393/