@misc{indiciae0a71defe0c37,
  title = {Laser theory without the rotating-wave approximation.},
  author = {R Vyas and S Singh},
  year = {1986},
  doi = {10.1103/physreva.33.375},
  url = {https://pubmed.ncbi.nlm.nih.gov/9896621/},
  note = {Source identifier: 9896621}
}