@article{GDZPPN002080974,
title = {W-Kurven in der ebenen Lie-Geometrie. I.},
journal = {Elemente der Mathematik},
volume = {39},
year = {1984},
pages = {28-33},
language = {de},
url = {http://dml.mathdoc.fr/item/GDZPPN002080974}
}
Pinkall, U. W-Kurven in der ebenen Lie-Geometrie. I.. Elemente der Mathematik, Tome 39 (1984) pp. 28-33. http://gdmltest.u-ga.fr/item/GDZPPN002080974/