@Misc{ 
  CanGolMer23,
  author = { Candau-Tilh, Jules and Goldman, Michael and Merlet, Benoit },
  title = { An exterior optimal transport problem },
  journal = {  },
  year = { 2023 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/6193/ },
  note = { cvgmt preprint}
}