@article{GDZPPN002333872,
title = {Transversal Lie group actions on abstract CR manifolds.},
journal = {Mathematische Annalen},
volume = {287},
year = {1990},
pages = {19-34},
zbl = {0673.32021},
url = {http://dml.mathdoc.fr/item/GDZPPN002333872}
}
Baouendi, M.S.; Rothschild, Linda Preiss. Transversal Lie group actions on abstract CR manifolds.. Mathematische Annalen, Tome 287 (1990) pp. 19-34. http://gdmltest.u-ga.fr/item/GDZPPN002333872/