@article{Maciejewski:1998,
  author  = "A. Maciejewski",
  title   = "About algebraic integrability and non-integrability of ordinary differential equations",
  journal = "Chaos, Solitions & Fractals",
  volume  = "Vol. 9",
  number  = "no 1/2",
  pages   = "51--65",
  year    = "1998",
}