@Misc{ 
  AdvMés20,
  author = { Adve, Anshul and Mészáros, Alpár R. },
  title = { On nonexpansiveness of metric projection operators on Wasserstein spaces },
  journal = {  },
  year = { 2020 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/4798/ },
  note = { cvgmt preprint}
}