@article{Leoński:2001,
  author  = "W. Leoński",
  title   = "Finite energy states generation by periodically pulsed nonlinear oscillator",
  journal = "Journal of Modern Optics",
  volume  = "Vol. 48",
  number  = "no 5",
  pages   = "877--887",
  year    = "2001",
}