@article{GDZPPN002338963, title = {Poincar\'e automorphisms for nondegenerate CR quadrics.}, journal = {Mathematische Annalen}, volume = {300}, year = {1994}, pages = {79-88}, zbl = {0847.32015}, url = {http://dml.mathdoc.fr/item/GDZPPN002338963} }
Ezov, Vladimir; Schmalz, Gerd. Poincaré automorphisms for nondegenerate CR quadrics.. Mathematische Annalen, Tome 300 (1994) pp. 79-88. http://gdmltest.u-ga.fr/item/GDZPPN002338963/