@Misc{ 
  LavSan22,
  author = { Lavenant, Hugo and Santambrogio, Filippo },
  title = { The flow map of the Fokker-Planck equation does not provide optimal transport },
  journal = { Applied Mathematics Letters },
  year = { 2022 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/5469/ },
  note = { cvgmt preprint}
}