@Misc{ 
  ProSan16,
  author = { Prosinski, Adam and Santambrogio, Filippo },
  title = { Global-in-time regularity via duality for congestion-penalized Mean Field Games },
  journal = { Stochastics },
  year = { 2017 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/2975/ },
  note = { cvgmt preprint}
}