@misc{indiciaedff86ed23f19,
  title = {A Duality in Interpolation to Analytic Functions by Rational Functions.},
  author = {J L Walsh},
  year = {1933},
  doi = {10.1073/pnas.19.12.1049},
  url = {https://pubmed.ncbi.nlm.nih.gov/16587824/},
  note = {Source identifier: 16587824}
}