@misc{indiciae3e0340f4e88f,
  title = {Harmonic semifields.},
  author = {M Nakai and L Sario},
  year = {1966},
  doi = {10.1073/pnas.56.6.1674},
  url = {https://pubmed.ncbi.nlm.nih.gov/16591401/},
  note = {Source identifier: 16591401}
}