@misc{indiciae9820d8d87abb,
  title = {Quantum phase superoperator.},
  author = {M Ban},
  year = {1995},
  doi = {10.1103/physreva.51.2469},
  url = {https://pubmed.ncbi.nlm.nih.gov/9911864/},
  note = {Source identifier: 9911864}
}