@InCollection{Kalaga:2018,
  author    = "J. Kalaga and M. Jarosik and W. Leoński and R. Szczęśniak",
  title     = "Witnesses of Quantum Chaos and Nonlinear Kerr-Like Oscillator Model",
  pages     = "119--137",
  year      = "2018",
  booktitle = "Chaos Theory, ISBN: 9789535139454",
  editor    = "ed. Kais A. M. Al Naimee",
  publisher = "IntechOpen Limited",
  address   = "London",
}