@Misc{ 
  bracarsan09,
  author = { Brasco, Lorenzo and Carlier, Guillaume and Santambrogio, Filippo },
  title = { Congested traffic dynamics, weak flows and very degenerate elliptic equations },
  journal = { J. Math. Pures Appl. },
  year = { 2010 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/240/ },
  note = { cvgmt preprint}
}