@article{Maciejewski:2000,
  author  = "A. Maciejewski and J. Ollagnier and A. Nowicki and J. Strelcyn",
  title   = "Around Jouanolou non-integrability theorem",
  journal = "Indagationes Mathematicae - New Series",
  volume  = "Vol. 11",
  number  = "no 2",
  pages   = "239--254",
  year    = "2000",
}