@misc{indiciae6aac9d26c6d4,
  title = {Nonlinear coherent states.},
  author = {de Matos Filho RL and W Vogel},
  year = {1996},
  doi = {10.1103/physreva.54.4560},
  url = {https://pubmed.ncbi.nlm.nih.gov/9914009/},
  note = {Source identifier: 9914009}
}