@Article{ 
  carleatom09,
  author = { Carriero, Michele and Leaci, Antonio and Tomarelli, Franco },
  title = { A Dirichlet problem with free gradient discontinuity },
  journal = { Adv. Math. Sci. Appl. },
  year = { 2010 },
  volume = { 20 },
  number = { 1 },
  pages = { 107-141 },
  URL = { http://cvgmt.sns.it/paper/345/ },
  note = { cvgmt preprint}
}