@misc{indiciae509cef11f922,
  title = {Weyl formulas for annular ray-splitting billiards.},
  author = {Yves Décanini and Antoine Folacci},
  year = {2003},
  doi = {10.1103/physreve.68.046204},
  url = {https://pubmed.ncbi.nlm.nih.gov/14683032/},
  note = {Source identifier: 14683032}
}