@misc{indiciaec7603df9b62a,
  title = {A Remark on General Fuchsian Groups.},
  author = {G Fubini},
  year = {1940},
  doi = {10.1073/pnas.26.12.695},
  url = {https://pubmed.ncbi.nlm.nih.gov/16588413/},
  note = {Source identifier: 16588413}
}