@misc{indiciae5938e10aa9c7,
  title = {COMPLETE STABILITY OF A NONLINEAR CONTROL SYSTEM.},
  author = {J P Lasalle},
  year = {1962},
  doi = {10.1073/pnas.48.4.600},
  url = {https://pubmed.ncbi.nlm.nih.gov/16578529/},
  note = {Source identifier: 16578529}
}