@article{Urbanowski:2005,
  author  = "K. Urbanowski",
  title   = "CPT and effective Hamiltonians for neutral kaon and similar complexes",
  journal = "Computational Methods in Science and Technology",
  volume  = "Vol. 11",
  number  = "no 1",
  pages   = "63--71",
  year    = "2005",
}