@Misc{ 
  AmbColFig14a,
  author = { Ambrosio, Luigi and Colombo, Maria and Figalli, Alessio },
  title = { On the Lagrangian structure of transport equations: the Vlasov-Poisson system },
  journal = { Duke Math. J. },
  year = { 2017 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/2587/ },
  note = { cvgmt preprint}
}