On the problem of proper reparametrization for rational curves and surfaces

@article{PrezDaz2006OnTP,
  title={On the problem of proper reparametrization for rational curves and surfaces},
  author={Sonia P{\'e}rez-D{\'i}az},
  journal={Computer Aided Geometric Design},
  year={2006},
  volume={23},
  pages={307-323}
}