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@article{IM_1992__109_2_144025, author = {Charles L. Epstein}, title = {CR-structures on three dimensional circle bundles.}, journal = {Inventiones mathematicae}, pages = {351--404}, publisher = {mathdoc}, volume = {109}, number = {2}, year = {1992}, zbl = {0786.32013}, url = {http://geodesic.mathdoc.fr/item/IM_1992__109_2_144025/} }
Charles L. Epstein. CR-structures on three dimensional circle bundles.. Inventiones mathematicae, Tome 109 (1992) no. 2, pp. 351-404. http://geodesic.mathdoc.fr/item/IM_1992__109_2_144025/