@Misc{ 
  DiFMat12,
  author = { Di Francesco, Marco and Matthes, Daniel },
  title = { Curves of steepest descent are entropy solutions for a class of degenerate convection-diffusion equations },
  journal = {  },
  year = { 2012 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/1893/ },
  note = { cvgmt preprint}
}