@Article{ 
  gia,
  author = { Giacomini, Alessandro },
  title = { A stability result for Neumann problems in dimension $N \ge 3$ },
  journal = { J. Convex Anal. },
  year = { 2004 },
  volume = { 11 },
  number = { 1 },
  pages = { 41-58 },
  URL = { http://cvgmt.sns.it/paper/1546/ },
  note = { cvgmt preprint}
}