@Misc{ 
  berfig07,
  author = { Bernot, Marc and Figalli, Alessio },
  title = { Synchronized traffic plans and stability of optima },
  journal = { ESAIM: COCV },
  year = { 2007 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/1576/ },
  note = { cvgmt preprint}
}