@Article{ 
  delottwes,
  author = { De Lellis, Camillo and Otto, Felix and Westdickenberg, Michael },
  title = { Minimal entropy conditions for Burgers equation },
  journal = { Quarterly of Applied Mathematics },
  year = { 2004 },
  volume = { 62 },
  number = { 4 },
  pages = { 687-700 },
  URL = { http://cvgmt.sns.it/paper/657/ },
  note = { cvgmt preprint}
}