@article{Szumiński:2015,
  author  = "W. Szumiński and A. Maciejewski and M. Przybylska",
  title   = "Note on integrability of certain homogeneous Hamiltonian systems",
  journal = "Physics Letters A",
  volume  = "Vol. 379",
  number  = "no. 45-46",
  pages   = "2970--2976",
  year    = "2015",
}