@misc{indiciae4a45dc3c2aca,
  title = {Phase operators on Hilbert space.},
  author = {JA Vaccaro},
  year = {1995},
  doi = {10.1103/physreva.51.3309},
  url = {https://pubmed.ncbi.nlm.nih.gov/9911970/},
  note = {Source identifier: 9911970}
}