@misc{indiciaebe060b5aae7a,
  title = {Note on the Heaviside Expansion Formula.},
  author = {J M Valle},
  year = {1931},
  doi = {10.1073/pnas.17.12.678},
  url = {https://pubmed.ncbi.nlm.nih.gov/16577410/},
  note = {Source identifier: 16577410}
}