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@article{MAN_1987__279_3_164343, author = {J. Eschenburg and R. Tribuzy}, title = {Branch {Points} of {Conformal} {Mappings} of {Surfaces.}}, journal = {Mathematische Annalen}, pages = {621--634}, publisher = {mathdoc}, volume = {279}, number = {3}, year = {1987}, zbl = {0653.53046}, url = {http://geodesic.mathdoc.fr/item/MAN_1987__279_3_164343/} }
J. Eschenburg; R. Tribuzy. Branch Points of Conformal Mappings of Surfaces.. Mathematische Annalen, Tome 279 (1987) no. 3, pp. 621-634. http://geodesic.mathdoc.fr/item/MAN_1987__279_3_164343/