Martin Aigner, Bert Jüttler, Adrien Poteaux,
"Approximate Implicitization of Space Curves"
, in U. Langer, R. Corless, H. Hong, T. Ida, M. Kreuzer, B. Salvy, D. Wang, P. Paule: Numerical and Symbolic Scientific Computing, Springer, Vienna, Seite(n) 1-19, 2012