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@article{MAN_1971__192_162166, author = {Richard DELANGHE}, title = {On the {Analogue} of {Koebe's} {Theorem} for {Functions} with {Values} in a {Clifford} {Algebra.}}, journal = {Mathematische Annalen}, pages = {196--202}, publisher = {mathdoc}, volume = {192}, year = {1971}, zbl = {0205.09301}, url = {http://geodesic.mathdoc.fr/item/MAN_1971__192_162166/} }
Richard DELANGHE. On the Analogue of Koebe's Theorem for Functions with Values in a Clifford Algebra.. Mathematische Annalen, Tome 192 (1971), pp. 196-202. http://geodesic.mathdoc.fr/item/MAN_1971__192_162166/