@Article{ 
  Sch9a,
  author = { Schmidt, Thomas },
  title = { Regularity of relaxed minimizers of quasiconvex variational integrals with $(p,q)$-growth },
  journal = { Arch. Ration. Mech. Anal. },
  year = { 2009 },
  volume = { 193 },
  number = { 2 },
  pages = { 311-337 },
  URL = { http://cvgmt.sns.it/paper/1770/ },
  note = { cvgmt preprint}
}