@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/