@Article{ 
  giapon03,
  author = { Giacomini, Alessandro and Ponsiglione, Marcello },
  title = { A discontinuous finite element approximation of quasi-static growth of brittle fractures },
  journal = { Numer. Funct. Anal. Optim },
  year = { 2003 },
  number = { 24 },
  pages = { 813-850 },
  URL = { http://cvgmt.sns.it/paper/73/ },
  note = { cvgmt preprint}
}