@Article{ 
  deppra03,
  author = { De Pascale, Luigi and Pratelli, Aldo },
  title = { Sharp summability for Monge Transport density via Interpolation },
  journal = {  ESAIM Control Optim. Calc. Var.  },
  year = { 2004 },
  volume = {  10  },
  number = { 4 },
  pages = { 549-552 },
  URL = { http://cvgmt.sns.it/paper/456/ },
  note = { cvgmt preprint}
}