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@article{JRAM_1986__372_152881, author = {Charles L. Epstein}, title = {The hyperbolic {Gauss} map and quasiconformal reflections.}, journal = {Journal f\"ur die reine und angewandte Mathematik}, pages = {96--135}, publisher = {mathdoc}, volume = {372}, year = {1986}, zbl = {0591.30018}, url = {http://geodesic.mathdoc.fr/item/JRAM_1986__372_152881/} }
Charles L. Epstein. The hyperbolic Gauss map and quasiconformal reflections.. Journal für die reine und angewandte Mathematik, Tome 372 (1986), pp. 96-135. http://geodesic.mathdoc.fr/item/JRAM_1986__372_152881/