@Article{ 
  cri08,
  author = { Crippa, Gianluca },
  title = { The ordinary differential equation with non-Lipschitz vector fields },
  journal = { Boll. Unione Mat. Ital. (9) },
  year = { 2008 },
  volume = { 1 },
  number = { 2 },
  pages = { 333-348 },
  URL = { http://cvgmt.sns.it/paper/1612/ },
  note = { cvgmt preprint}
}