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@article{ELMA_1984__39_141333, author = {U. Pinkall}, title = {W-Kurven in der ebenen {Lie-Geometrie.} {I.}}, journal = {Elemente der Mathematik}, pages = {28--33}, publisher = {mathdoc}, volume = {39}, year = {1984}, language = {de}, url = {http://geodesic.mathdoc.fr/item/ELMA_1984__39_141333/} }
U. Pinkall. W-Kurven in der ebenen Lie-Geometrie. I.. Elemente der Mathematik, Tome 39 (1984), pp. 28-33. http://geodesic.mathdoc.fr/item/ELMA_1984__39_141333/