@Misc{ 
  DePFig12b,
  author = { De Philippis, Guido and Figalli, Alessio },
  title = { Partial Regularity for optimal transport maps },
  journal = { Publ. Math. Inst. Hautes Études Sci. },
  year = { 2014 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/1926/ },
  note = { cvgmt preprint}
}