@Article{SCI:Nar2017a,
  author =    "A. Narayan and J. Jakeman and T. Zhou",
  title =     "A Christoffel function weighted least squares
              algorithm for collocation approximations",
  journal =   "Mathematics of Computation",
  volume =    "86",
  number =    "306",
  pages =     "1913--1947",
  year =      "2017",
  issn =      "0025-5718, 1088-6842",
  doi =       "10.1090/mcom/3192",
  url =       "http://www.sci.utah.edu/publications/Nar2017a/1412.4305.pdf",
}