@Article{ 
  CicFus17,
  author = { Cicalese, Marco and Fusco, Nicola },
  title = { A note on relaxation with constraints on the determinant },
  journal = { Esaim: COCV },
  year = { 2017 },
  volume = { 25 },
  number = { 41 },
  pages = { 1-15 },
  URL = { http://cvgmt.sns.it/paper/3506/ },
  note = { cvgmt preprint}
}