@article{Przybylska:2008,
  author  = "M. Przybylska",
  title   = "Differential Galois obstructions for integrability of homogeneous Newton equations",
  journal = "Journal of Mathematical Physics",
  volume  = "Vol. 49",
  pages   = "022701-1--022701-40",
  year    = "2008",
}