@misc{indiciaeb156b0876a6a,
  title = {The Hypothesis that all Classes are Nameable.},
  author = {J Myhill},
  year = {1952},
  doi = {10.1073/pnas.38.11.979},
  url = {https://pubmed.ncbi.nlm.nih.gov/16589212/},
  note = {Source identifier: 16589212}
}