@Misc{ 
  San16,
  author = { Santambrogio, Filippo },
  title = { $\big\{$Euclidean, Metric, and Wasserstein$\big\}$ Gradient Flows: an overview },
  journal = { Bulletin of Mathematical Sciences },
  year = { 2017 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/3165/ },
  note = { cvgmt preprint}
}