@article{Urbanowski:2006,
  author  = "K. Urbanowski",
  title   = "On the scalar product of short and long living states of neutral kaons in the CPT invariant system",
  journal = "Acta Physica Polonica B",
  volume  = "Vol. 37",
  number  = "no 6",
  pages   = "1727--1743",
  year    = "2006",
}