@Misc{ 
  fonleo07,
  author = { Fonseca, Irene and Leoni, Giovanni },
  title = { Modern Methods in the Calculus of Variations: $L^p$ Spaces },
  journal = { Springer Monographs in Mathematics },
  year = { 2007 },
  pages = { 600 },
  URL = { http://cvgmt.sns.it/paper/261/ },
  note = { cvgmt preprint}
}