Multimode instabilities in a homogeneously broadened ring laser.

@article{Lugiato1985MultimodeII,
  title={Multimode instabilities in a homogeneously broadened ring laser.},
  author={Lugiato and Narducci and Eschenazi and Bandy and T Emilia Abraham},
  journal={Physical review. A, General physics},
  year={1985},
  volume={32 3},
  pages={1563-1575}
}