@article{ELMA_1984__39_141339,
     author = {U. Pinkall},
     title = {W-Kurven in der ebenen {Lie-Geometrie.} {II.}},
     journal = {Elemente der Mathematik},
     pages = {67--78},
     year = {1984},
     volume = {39},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1984__39_141339/}
}