@article{pub2018sequentialfunctionapproximationonarbitrarilydistributedpointsets,
  author = {K. Wu and D. Xiu},
  title = {{Sequential function approximation on arbitrarily distributed point sets}},
  journal = {Journal of Computational Physics},
  year = {2018},
  volume = {354},
  pages = {370--386},
  doi = {10.1016/j.jcp.2017.10.020},
  url = {https://doi.org/10.1016/j.jcp.2017.10.020}
}