@misc{indiciae99e7163718f4,
  title = {Superintegrable systems.},
  author = {B Kupershmidt},
  year = {1984},
  doi = {10.1073/pnas.81.20.6562},
  url = {https://pubmed.ncbi.nlm.nih.gov/16593523/},
  note = {Source identifier: 16593523}
}