@misc{indiciae46e8290384b6,
  title = {General Expansion Theorems.},
  author = {R P Boas},
  year = {1940},
  doi = {10.1073/pnas.26.2.139},
  url = {https://pubmed.ncbi.nlm.nih.gov/16588326/},
  note = {Source identifier: 16588326}
}