@Misc{ 
  AmbGolTre21,
  author = { Ambrosio, Luigi and Goldman, Michael and Trevisan, Dario },
  title = { On the quadratic random matching problem in two-dimensional domains },
  journal = { Electronic J. Probability },
  year = { 2021 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/5314/ },
  note = { cvgmt preprint}
}