@misc{indiciaee01c8e9a409c,
  title = {Hyperbolic almost periodic solutions and toroidal limit sets.},
  author = {G R Sell},
  year = {1977},
  doi = {10.1073/pnas.74.8.3124},
  url = {https://pubmed.ncbi.nlm.nih.gov/16592427/},
  note = {Source identifier: 16592427}
}