@misc{indiciae5e3ca892065e,
  title = {Nonlinear intensity effects in a laser generating the three main standing waves.},
  author = {F Bretenaker and Le Floch A},
  year = {1991},
  doi = {10.1103/physreva.43.3704},
  url = {https://pubmed.ncbi.nlm.nih.gov/9905460/},
  note = {Source identifier: 9905460}
}