@Article{ 
  cramal05,
  author = { Crasta, Graziano and Malusa, Annalisa },
  title = { On the existence and uniqueness of minimizers for a class of integral functionals.  },
  journal = { NoDEA Nonlinear Differential Equations Appl. },
  year = { 2005 },
  volume = { 12 },
  pages = { 129-150 },
  URL = { http://cvgmt.sns.it/paper/1031/ },
  note = { cvgmt preprint}
}