@Article{ 
  leo01,
  author = { Leonardi, Gian Paolo },
  title = { Gamma-convergence of constrained Dirichlet functionals },
  journal = { Boll. UMI },
  year = { 2003 },
  volume = { 6-B },
  number = { 8 },
  pages = { 339-351 },
  URL = { http://cvgmt.sns.it/paper/924/ },
  note = { cvgmt preprint}
}