@Article{ 
  Pal18,
  author = { Palatucci, Giampiero },
  title = { The Dirichlet problem for the $p$-fractional Laplace equation },
  journal = { Nonlinear Analysis },
  year = { 2018 },
  doi = { 10.1016/j.na.2018.05.004 },
  volume = { 177 },
  pages = { 699--732 },
  URL = { http://cvgmt.sns.it/paper/4114/ },
  note = { cvgmt preprint}
}