@misc{indiciaea2bfafca7abb,
  title = {Fourth-order squeezing in the multiphoton Jaynes-Cummings model.},
  author = {FL Kien and M Kozierowski and T Quang},
  year = {1988},
  doi = {10.1103/physreva.38.263},
  url = {https://pubmed.ncbi.nlm.nih.gov/9900162/},
  note = {Source identifier: 9900162}
}