@article{Lukierski:2002,
  author  = "J. Lukierski and A. Nowicki",
  title   = "K-deformed kinematics and addition law for deformed velocities",
  journal = "Acta Physica Polonica B",
  volume  = "Vol. 33",
  number  = "no 9",
  pages   = "2537--2546",
  year    = "2002",
}