@Misc{ 
  figgig09a,
  author = { Figalli, Alessio and Gigli, Nicola },
  title = { A new transportation distance between non-negative measures, with applications to gradients flows with Dirichlet boundary conditions },
  journal = { J. Math. Pures Appl. },
  year = { 2009 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/1147/ },
  note = { cvgmt preprint}
}