@article{Kowalewska-Kudłaszyk:2012,
  author  = "A. Kowalewska-Kudłaszyk and J. Kalaga and W. Leoński and V. Cao Long",
  title   = "Kullback-Leibler quantum divergence as an indicator of quantum chaos",
  journal = "Physics Letters A",
  volume  = "Vol. 376",
  number  = "no 15",
  pages   = "1280--1286",
  year    = "2012",
}