@misc{indiciaeebdb6ac69ce3,
  title = {Universal Rational Functions.},
  author = {E T Bell},
  year = {1945},
  doi = {10.1073/pnas.31.9.317},
  url = {https://pubmed.ncbi.nlm.nih.gov/16578175/},
  note = {Source identifier: 16578175}
}