@article{IM_1990__99_1_143772, author = {L. Flaminio and R.J. Spatzier}, title = {Geometrically finite groups, {Patterson-Sullivan} measures and {Ratner's} rigidity theorem.}, journal = {Inventiones mathematicae}, pages = {601}, publisher = {mathdoc}, volume = {99}, number = {1}, year = {1990}, zbl = {0667.57014}, language = {un}, url = {https://geodesic-test.mathdoc.fr/item/IM_1990__99_1_143772/} }