@misc{indiciaee68547f708bc,
  title = {Possible conserved quantity for the Hénon-Heiles problem.},
  author = {P Finkler and CE Jones and GA Sowell},
  year = {1990},
  doi = {10.1103/physreva.42.1931},
  url = {https://pubmed.ncbi.nlm.nih.gov/9904241/},
  note = {Source identifier: 9904241}
}