@misc{indiciaed233f79c79c3,
  title = {Atom-field interaction without the rotating-wave approximation: A path-integral approach.},
  author = {K Zaheer and MS Zubairy},
  year = {1988},
  doi = {10.1103/physreva.37.1628},
  url = {https://pubmed.ncbi.nlm.nih.gov/9899837/},
  note = {Source identifier: 9899837}
}