@Misc{ 
  AmCoDeFi12,
  author = { Ambrosio, Luigi and Colombo, Maria and De Philippis, Guido and Figalli, Alessio },
  title = { A global existence result for the semigeostrophic equations in three
  dimensional convex domains },
  journal = { Discrete Contin. Dyn. Syst. },
  year = { 2012 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/1846/ },
  note = { cvgmt preprint}
}