@Misc{ 
  FisPinVec17,
  author = { Fiscella, Alessio and Pinamonti, Andrea and Vecchi, Eugenio },
  title = { Multiplicity results for magnetic fractional problems },
  journal = { Journal of Differential Equations },
  year = { 2017 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/3380/ },
  note = { cvgmt preprint}
}