@ARTICLE{Li+Ling-Weigleascollmeth:19,
  author       = {Li, S.  and Ling, L.},
  title        = {Weighted least-squares collocation methods for elliptic {PDE}s with mixed boundary conditions},
  journal      = {Eng. Anal. Bound. Elem.},
  volume       = {105},
  pages        = {146-154},
  year         = {2019},
}