@Misc{ 
  farmonsci10,
  author = { Farina, Alberto and Montoro, Luigi and Sciunzi, Berardino },
  title = { Monotonicity and one-dimensional symmetry for solutions of  - Delta_p(u) = f(u)  in half-spaces },
  journal = { Calc. Var. Partial Differential Equations },
  year = { 2010 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/165/ },
  note = { cvgmt preprint}
}