@ARTICLE{XueYu:Honeycomb,
  AUTHOR =       {Y. Xue and T. P.-Y. Yu},
  TITLE =        {Honeycomb and $k$-fold {H}ermite Subdivision Schemes},
  JOURNAL =      {Journal of Computational and Applied Mathematics},
  YEAR =         {2005},
  volume =       {177},
  number =       {2},
  pages =        {401-425},
}