@Misc{ 
  Gua14,
  author = { Guarino Lo Bianco, Serena },
  title = { Some optimization problems in mass transport theory },
  journal = {  },
  year = { 2014 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/2605/ },
  note = { cvgmt preprint}
}