@article{Leoński:1995,
  author  = "W. Leoński",
  title   = "Nonlinear media and coherent state in finite dimensional Hilbert space",
  journal = "Acta Physica Slovaca",
  volume  = "Vol. 45",
  number  = "no 3",
  pages   = "383--386",
  year    = "1995",
}