@article{Carnicer-Mainar-Pena-CAGD-2003-circles,
  volume = {20},
  number = {8-9},
  mrnumber = {MR2039599 (2005a:65012)},
  issn = {0167-8396},
  author = {Carnicer, Jes\'{u}s M. and Mainar, Esmeralda and Pe{\~n}a, Juan.
            M.},
  mrclass = {65D17 (51N25 68U05)},
  note = {In memory of Professor J. Hoschek},
  fjournal = {Computer Aided Geometric Design},
  mrreviewer = {Bert J{\"u}ttler},
  coden = {CAGDEX},
  title = {Representing circles with five control points},
  journal = {Comput. Aided Geom. Design},
  year = {2003},
  pages = {501--511},
}