@Article{ 
  FraLam12,
  author = { Franzina, Giovanni and Lamberti, Pier Domenico },
  title = { Existence and uniqueness for $p$-Laplacian nonlinear eigenvalue problems },
  journal = { Elec. Journ. of Diff. Eqns.  },
  year = { 2010 },
  number = { 26 },
  pages = { 1-10 },
  URL = { http://cvgmt.sns.it/paper/1847/ },
  note = { cvgmt preprint}
}