@Misc{ 
  giga,
  author = { Gigli, Nicola },
  title = { On Hölder continuity in time of the optimal transport map towards measures along a curve },
  journal = { Proceedings of the Edinburgh Mathematical Society },
  year = { 2008 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/1527/ },
  note = { cvgmt preprint}
}