@Misc{ 
  farsirval10,
  author = { Farina, Alberto and Sire, Y. and Valdinoci, Enrico },
  title = { Stable solutions of elliptic equations on riemannian manifolds with euclidean coverings },
  journal = { PAMS },
  year = { 2011 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/1492/ },
  note = { cvgmt preprint}
}