@misc{indiciae7544c1755563,
  title = {SIMPLE CURVES ON COMPACT SURFACES.},
  author = {B L Reinhart},
  year = {1960},
  doi = {10.1073/pnas.46.9.1242},
  url = {https://pubmed.ncbi.nlm.nih.gov/16590741/},
  note = {Source identifier: 16590741}
}