@misc{indiciae8748691d0235,
  title = {On a Type of Lorentz Transformations.},
  author = {G Y Rainich},
  year = {1927},
  doi = {10.1073/pnas.13.2.29},
  url = {https://pubmed.ncbi.nlm.nih.gov/16577032/},
  note = {Source identifier: 16577032}
}