@misc{indiciaea9cc6af56077,
  title = {Einstein Static Fields Admitting a Group G(2) of Continuous Transformations into Themselves.},
  author = {L P Eisenhart},
  year = {1921},
  doi = {10.1073/pnas.7.12.328},
  url = {https://pubmed.ncbi.nlm.nih.gov/16586845/},
  note = {Source identifier: 16586845}
}