@article{Leoński:1997,
  author  = "W. Leoński",
  title   = "Finite-dimensional coherent-state generation and quantum-optical nonlinear oscillator models",
  journal = "Physical Review A",
  volume  = "Vol. 55",
  number  = "no 5",
  pages   = "3874--3878",
  year    = "1997",
}