@misc{indiciaebd2fca0f48a8,
  title = {Differential Geometries of Function Space.},
  author = {A D Michal},
  year = {1930},
  doi = {10.1073/pnas.16.1.88},
  url = {https://pubmed.ncbi.nlm.nih.gov/16577272/},
  note = {Source identifier: 16577272}
}