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@article{BUMI_2005_8_8B_2_a9, author = {Vaccaro, M. Alessandra}, title = {Unitary groups acting on hyperbolic substructures}, journal = {Bollettino della Unione matematica italiana}, pages = {431--436}, publisher = {mathdoc}, volume = {Ser. 8, 8B}, number = {2}, year = {2005}, zbl = {1127.11031}, mrnumber = {MR2149394}, language = {en}, url = {http://geodesic.mathdoc.fr/item/BUMI_2005_8_8B_2_a9/} }
Vaccaro, M. Alessandra. Unitary groups acting on hyperbolic substructures. Bollettino della Unione matematica italiana, Série 8, 8B (2005) no. 2, pp. 431-436. http://geodesic.mathdoc.fr/item/BUMI_2005_8_8B_2_a9/