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@article{IM_1982__69_142956, author = {Philip P. Wong}, title = {A {Construction} of {Normal} {Forms} for {Weakly} {Pseudoconvex} {CR} {Manifolds} in ...2.}, journal = {Inventiones mathematicae}, pages = {311--330}, publisher = {mathdoc}, volume = {69}, year = {1982}, zbl = {0495.32007}, url = {http://geodesic.mathdoc.fr/item/IM_1982__69_142956/} }
Philip P. Wong. A Construction of Normal Forms for Weakly Pseudoconvex CR Manifolds in ...2.. Inventiones mathematicae, Tome 69 (1982), pp. 311-330. http://geodesic.mathdoc.fr/item/IM_1982__69_142956/