@article{Fang-CAGD-99-G3-quintic,
  volume = {16},
  number = {8},
  mrnumber = {MR1706771 (2000f:65015)},
  issn = {0167-8396},
  author = {Fang, Lian},
  mrclass = {65D18 (65D17)},
  fjournal = {Computer Aided Geometric Design},
  coden = {CAGDEX},
  title = {{$G^3$} approximation of conic sections by quintic polynomial
           curves},
  pages = {755--766},
  journal = {Comput. Aided Geom. Design},
  year = {1999},
}