@Misc{ 
  farsirval08a,
  author = { Farina, Alberto and Sire, Y. and Valdinoci, Enrico },
  title = { Stable solutions of elliptic equations on riemannian manifolds  },
  journal = {  },
  year = { 2008 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/25/ },
  note = { cvgmt preprint}
}