@article{Maciejewski:2010,
  author  = "A. Maciejewski and M. Przybylska",
  title   = "Partial integrability of Hamiltonian systems with homogenous potential",
  journal = "Regular and Chaotic Dynamics",
  volume  = "Vol. 15",
  number  = "no 4-5",
  pages   = "551--563",
  year    = "2010",
}