@Article{ 
  pri07,
  author = { Prinari, Francesca },
  title = { Semicontinuity and supremal representation in the Calculus of Variations },
  journal = { Appl. Math. Optim. },
  year = { 2007 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/811/ },
  note = { cvgmt preprint}
}