@article{GDZPPN00210959X, title = {Non-embeddable CR-manifolds and surface singularities.}, journal = {Inventiones mathematicae}, volume = {110}, year = {1992}, pages = {49-66}, zbl = {0782.32006}, url = {http://dml.mathdoc.fr/item/GDZPPN00210959X} }
Falbel, Elisha. Non-embeddable CR-manifolds and surface singularities.. Inventiones mathematicae, Tome 110 (1992) pp. 49-66. http://gdmltest.u-ga.fr/item/GDZPPN00210959X/