Periodic orbits from the quantum energy spectrum of the wedge billiard.

@article{Szeredi1992PeriodicOF,
  title={Periodic orbits from the quantum energy spectrum of the wedge billiard.},
  author={Szeredi and Goodings},
  journal={Physical review letters},
  year={1992},
  volume={69 11},
  pages={1640-1643}
}