@Misc{ 
  GraMés17,
  author = { Graber, P. Jameson and Mészáros, Alpár R. },
  title = { Sobolev regularity for first order Mean Field Games },
  journal = { Ann. Inst. H. Poincaré Anal. Non Linéaire },
  year = { 2017 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/3552/ },
  note = { cvgmt preprint}
}