@misc{indiciae11ca4b483c14,
  title = {Multivariate approximation by locally blended univariate interpolants.},
  author = {G Birkhoff and J C Cavendish and W J Gordon},
  year = {1974},
  doi = {10.1073/pnas.71.9.3423},
  url = {https://pubmed.ncbi.nlm.nih.gov/16592177/},
  note = {Source identifier: 16592177}
}