Ricci's Principal Directions for a Riemann Space and the Einstein Theory.

@article{EisenhartRiccisPD,
  title={Ricci's Principal Directions for a Riemann Space and the Einstein Theory.},
  author={L P Eisenhart},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  volume={8 2},
  pages={24-6}
}
  • L P Eisenhart
  • Published in
    Proceedings of the National Academy of Sciences…