@ARTICLE{Li+CheungETAL-Discleasradibasi:19,
  author       = {Li, S. and Cheung, K. C. and Ling, L.},
  title        = {Discrete least-squares radial basis functions approximations},
  journal      = {Appl. Math. Comput.},
  volume       = {355},
  pages        = {542-552},
  year         = {2019},
}