@article{GDZPPN002339498,
title = {Deformations of representations of discrete subgroups of SO (3,1).},
journal = {Mathematische Annalen},
volume = {300},
year = {1994},
pages = {341-354},
zbl = {0828.57009},
url = {http://dml.mathdoc.fr/item/GDZPPN002339498}
}
Kapovich, Michael. Deformations of representations of discrete subgroups of SO (3,1).. Mathematische Annalen, Tome 300 (1994) pp. 341-354. http://gdmltest.u-ga.fr/item/GDZPPN002339498/