@Misc{ 
  figa,
  author = { Figalli, Alessio },
  title = { A new transportation distance between non-negative measures, with applications to gradients flows with Dirichlet boundary conditions },
  journal = {  },
  year = { 2009 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/488/ },
  note = { cvgmt preprint}
}