@article{Farouki-Manni-Sestini-G1-G2-PH-quintics-2003,
  volume = {23},
  number = {2},
  mrnumber = {MR1974222 (2004c:65011)},
  issn = {0272-4979},
  author = {Farouki, Rida T. and Manni, Carla and Sestini, Alessandra},
  mrclass = {65D18 (41A15 41A29 65D07)},
  fjournal = {IMA Journal of Numerical Analysis},
  coden = {IJNADN},
  title = {Shape-preserving interpolation by {$G^1$} and {$G^2$} {PH} quintic
           splines},
  pages = {175--195},
  journal = {IMA J. Numer. Anal.},
  year = {2003},
}