@article{GDZPPN00046225X, title = {On the Conformal and CR Automorphism Groups.}, journal = {Geometric and functional analysis}, volume = {5}, year = {1995}, pages = {464-481}, zbl = {0835.53015}, url = {http://dml.mathdoc.fr/item/GDZPPN00046225X} }
Schoen, R. On the Conformal and CR Automorphism Groups.. Geometric and functional analysis, Tome 5 (1995) pp. 464-481. http://gdmltest.u-ga.fr/item/GDZPPN00046225X/