@misc{indiciae988bbefc249a,
  title = {Two-dimensional global manifolds of vector fields.},
  author = {Bernd Krauskopf and Hinke Osinga},
  year = {1999},
  doi = {10.1063/1.166450},
  url = {https://pubmed.ncbi.nlm.nih.gov/12779872/},
  note = {Source identifier: 12779872}
}