@Misc{ 
  GraLeo18a,
  author = { Gravina, Giovanni and Leoni, Giovanni },
  title = { Higher order Gamma-limits for singularly perturbed Dirichlet-Neumann
  problems },
  journal = {  },
  year = { 2018 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/4060/ },
  note = { cvgmt preprint}
}