@Misc{ 
  LorPen18,
  author = { Lorent, Andrew and Peng, Guanying },
  title = { Null Lagrangian Measures in subspaces, compensated compactness and conservation laws },
  journal = {  },
  year = { 2018 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/3733/ },
  note = { cvgmt preprint}
}