@Article{ 
  framar02,
  author = { Ebobisse, Francois and Ponsiglione, Marcello },
  title = { A duality approach for variational problems in domains with cracks },
  journal = { J. Convex Anal. },
  year = { 2004 },
  volume = { 11 },
  number = { 1 },
  pages = { 17-40 },
  URL = { http://cvgmt.sns.it/paper/726/ },
  note = { cvgmt preprint}
}