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@article{MM2_1997__94_2_156332, author = {Peter M. Schuster}, title = {Identifying variable points on a smooth curve.}, journal = {Manuscripta mathematica}, pages = {195--210}, publisher = {mathdoc}, volume = {94}, number = {2}, year = {1997}, zbl = {0912.32014}, url = {http://geodesic.mathdoc.fr/item/MM2_1997__94_2_156332/} }
Peter M. Schuster. Identifying variable points on a smooth curve.. Manuscripta mathematica, Tome 94 (1997) no. 2, pp. 195-210. http://geodesic.mathdoc.fr/item/MM2_1997__94_2_156332/