@misc{indiciaed23025988a76,
  title = {Superintegrability in classical mechanics.},
  author = {NW Evans},
  year = {1990},
  doi = {10.1103/physreva.41.5666},
  url = {https://pubmed.ncbi.nlm.nih.gov/9902953/},
  note = {Source identifier: 9902953}
}