@misc{indiciaee88dc34d869e,
  title = {Extended dynamical systems and stability theory.},
  author = {J K Hale and E F Infante},
  year = {1967},
  doi = {10.1073/pnas.58.2.405},
  url = {https://pubmed.ncbi.nlm.nih.gov/16578655/},
  note = {Source identifier: 16578655}
}