@article{etna_vol42_pp41-63,
  author  = {Marc van Barel and Matthias Humet and Laurent Sorber},
  title   = {Approximating optimal point configurations for multivariate polynomial interpolation},
  journal = {Electron. Trans. Numer. Anal.},
  volume  = {42},
  year    = {2014},
  pages   = {41--63},
}