@Article{ 
  giapon07,
  author = { Giacomini, Alessandro and Ponsiglione, Marcello },
  title = { Non interpenetration of matter for $SBV$-deformations of hyperelastic brittle materials },
  journal = { Proc. Roy. Soc. Edinburgh Sect. A },
  year = { 2008 },
  volume = { 138A },
  pages = { 1019-1041 },
  URL = { http://cvgmt.sns.it/paper/1048/ },
  note = { cvgmt preprint}
}