@misc{indiciae02a20ec4d515,
  title = {ON SUBMANIFOLDS OF CERTAIN FUNCTION SPACES.},
  author = {J Eells},
  year = {1959},
  doi = {10.1073/pnas.45.10.1520},
  url = {https://pubmed.ncbi.nlm.nih.gov/16590536/},
  note = {Source identifier: 16590536}
}