@Article{ 
  PraLeo14,
  author = { Leonardi, Gian Paolo and Pratelli, Aldo },
  title = { On the Cheeger sets in strips and non-convex domains },
  journal = { Calc. Var. PDE },
  year = { 2016 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/2624/ },
  note = { cvgmt preprint}
}