@Article{ 
  CarLea90,
  author = { Carriero, Michele and Leaci, Antonio },
  title = { Existence theorem for a Dirichlet problem with free discontinuity set },
  journal = { Nonlinear Analysis: Theory, Methods & Applications },
  year = { 1990 },
  doi = { https://doi.org/10.1016/0362-546X(90)90006-3 },
  volume = { 15 },
  pages = { 661-677 },
  URL = { http://cvgmt.sns.it/paper/5983/ },
  note = { cvgmt preprint}
}