@Article{ 
  PagMug15,
  author = { Mugnai, Dimitri and Pagliardini, Dayana },
  title = { Existence and multiplicity results for the fractional Laplacian in bounded domains },
  journal = { Advances in Calculus of Variations },
  year = { 2015 },
  doi = { 10.1515/acv-2015-0032 },
  pages = { 20 },
  URL = { http://cvgmt.sns.it/paper/3202/ },
  note = { cvgmt preprint}
}