@article{nea-sch-04-appor,
  author = {Marian Neamtu and Larry L. Schumaker},
  title = {On the Approximation Order of Splines on Spherical Triangulations},
  journal = {Advances in Computational Mathematics},
  volume = {21},
  pages = {3--20},
  year = 2004,
  publisher = {Kluwer},
  altkeys = {NS-aporder}
}