@misc{indiciaea870d493237e,
  title = {SPACES WHICH ADMIT FIELDS OF NORMAL NULL VECTORS.},
  author = {L P Eisenhart},
  year = {1960},
  doi = {10.1073/pnas.46.12.1605},
  url = {https://pubmed.ncbi.nlm.nih.gov/16590790/},
  note = {Source identifier: 16590790}
}