@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/}
}