@Article{ 
  fergazwet,
  author = { Ferrero, Alberto and Gazzola, Filippo and Weth, Tobias },
  title = { On a fourth order Steklov eigenvalue problem },
  journal = {  },
  year = { 2006 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/29/ },
  note = { cvgmt preprint}
}