@Article{ 
  babbar07,
  author = { Babadjian, Jean-François and Barchiesi, Marco },
  title = { A variational approach to the local character of G-closure: the convex case },
  journal = { Ann. Inst. H. Poincaré Anal. Non Linéaire  },
  year = { 2009 },
  volume = { 26 },
  number = { 2 },
  pages = { 351-373 },
  URL = { http://cvgmt.sns.it/paper/144/ },
  note = { cvgmt preprint}
}