@article{Fang-98-CAGD-circle-quintic,
  volume = {15},
  number = {8},
  mrnumber = {MR1638740 (99f:41038)},
  issn = {0167-8396},
  author = {Fang, Lian},
  mrclass = {41A63 (65D05)},
  fjournal = {Computer Aided Geometric Design},
  mrreviewer = {Antonio L{\'o}pez-Carmona},
  coden = {CAGDEX},
  title = {Circular arc approximation by quintic polynomial curves},
  journal = {Comput. Aided Geom. Design},
  year = {1998},
  pages = {843--861},
}