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@article{IM_1992__108_2_143988, author = {Elisha Falbel}, title = {Non-embeddable {CR-manifolds} and surface singularities.}, journal = {Inventiones mathematicae}, pages = {49--66}, publisher = {mathdoc}, volume = {108}, number = {2}, year = {1992}, zbl = {0782.32006}, url = {http://geodesic.mathdoc.fr/item/IM_1992__108_2_143988/} }
Elisha Falbel. Non-embeddable CR-manifolds and surface singularities.. Inventiones mathematicae, Tome 108 (1992) no. 2, pp. 49-66. http://geodesic.mathdoc.fr/item/IM_1992__108_2_143988/