@misc{indiciaee40674c86224,
  title = {Quantum Poincaré sections for two-dimensional billiards.},
  author = {B Crespi and G Perez and SJ Chang},
  year = {1993},
  doi = {10.1103/physreve.47.986},
  url = {https://pubmed.ncbi.nlm.nih.gov/9960096/},
  note = {Source identifier: 9960096}
}