@Misc{ 
  AgoMazOro21,
  author = { Agostiniani, Virginia and Mazzieri, Lorenzo and Oronzio, Francesca },
  title = { A Green's function proof of the positive mass theorem },
  journal = { Communications in Mathematical Physics },
  year = { 2021 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/5568/ },
  note = { cvgmt preprint}
}