@misc{indiciaec8fd296882bd,
  title = {GENERALIZED RIEMANNIAN GEOMETRY, II.},
  author = {L P Eisenhart},
  year = {1963},
  doi = {10.1073/pnas.49.1.18},
  url = {https://pubmed.ncbi.nlm.nih.gov/16591035/},
  note = {Source identifier: 16591035}
}