@misc{indiciae80eed88d30a0,
  title = {Shrinking a manifold in a manifold.},
  author = {J G Hocking and K W Kwun},
  year = {1966},
  doi = {10.1073/pnas.55.2.259},
  url = {https://pubmed.ncbi.nlm.nih.gov/16591333/},
  note = {Source identifier: 16591333}
}