@ARTICLE{raykar_JCGS_2010_FastKDE,
  AUTHOR =       {Raykar, V. C. and Duraiswami, R. and Zhao, L. H.},
  TITLE =        {Fast Computation of Kernel Estimators},
  JOURNAL =      {Journal of Computational and Graphical Statistics},
  YEAR =         {2010},
  volume =       {19},
  number =       {1},
  pages =        {205--220},
  month =        {March},
}