@InCollection{Maciejewski:2002,
  author    = "A. Maciejewski",
  title     = "Non-integrability of certain Hamiltonian systems. Applications of the Morales-Ramis differential Galois extension of Ziglin theory",
  pages     = "139--150",
  year      = "2002",
  booktitle = "Differential Galois theory",
  publisher = "Polish Academy of Sciences",
  address   = "Warszawa",
  series    = "Banach Center Publications : Vol. 58",
}