@misc{indiciae27a1ec0f4e6c,
  title = {Covariant phase-space representation for localized light waves.},
  author = {YS Kim and EP Wigner},
  year = {1987},
  doi = {10.1103/physreva.36.1293},
  url = {https://pubmed.ncbi.nlm.nih.gov/9898984/},
  note = {Source identifier: 9898984}
}