@Misc{ 
  Dwe16,
  author = { Dweik, Samer },
  title = { Optimal transportation with boundary costs and summability estimates on the transport density },
  journal = {  },
  year = { 2016 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/3178/ },
  note = { cvgmt preprint}
}