@misc{indiciaee74c5e9490b6,
  title = {Density operator with coherent, number, and squeezed states.},
  author = {RT Hammond},
  year = {1990},
  doi = {10.1103/physreva.41.1718},
  url = {https://pubmed.ncbi.nlm.nih.gov/9903276/},
  note = {Source identifier: 9903276}
}