@article{GDZPPN002104067,
title = {Local rigidity of discrete groups acting on complex hyperbolic space.},
journal = {Inventiones mathematicae},
volume = {88},
year = {1987},
pages = {495-520},
zbl = {0627.22012},
url = {http://dml.mathdoc.fr/item/GDZPPN002104067}
}
Goldman, W.M.; Millson, J.J. Local rigidity of discrete groups acting on complex hyperbolic space.. Inventiones mathematicae, Tome 88 (1987) pp. 495-520. http://gdmltest.u-ga.fr/item/GDZPPN002104067/