@misc{indiciae97ca9efa1cc8,
  title = {Generalized canonical transformations and path integrals.},
  author = {L Chetouani and L Guechi and TF Hammann},
  year = {1989},
  doi = {10.1103/physreva.40.1157},
  url = {https://pubmed.ncbi.nlm.nih.gov/9902247/},
  note = {Source identifier: 9902247}
}