@article{00773800,
title = {The geometry of nilpotent coadjoint orbits of convex type in hermitian Lie algebras.},
journal = {Journal of Lie Theory},
volume = {4},
year = {1994},
pages = {185-235},
zbl = {0832.17010},
language = {en},
url = {http://dml.mathdoc.fr/item/00773800}
}
Hilgert, Joachim; Neeb, Karl-Hermann; Ørsted, Bent. The geometry of nilpotent coadjoint orbits of convex type in hermitian Lie algebras.. Journal of Lie Theory, Tome 4 (1994) pp. 185-235. http://gdmltest.u-ga.fr/item/00773800/