@article{GDZPPN002108526,
title = {Syst\`eme sous-elliptiques II.},
journal = {Inventiones mathematicae},
volume = {104},
year = {1991},
pages = {377-400},
zbl = {0771.35086},
url = {http://dml.mathdoc.fr/item/GDZPPN002108526}
}
Nourrigat, J. Système sous-elliptiques II.. Inventiones mathematicae, Tome 104 (1991) pp. 377-400. http://gdmltest.u-ga.fr/item/GDZPPN002108526/