@Misc{ 
  CruMalRui21,
  author = { Cruz Blázquez, Sergio and Malchiodi, Andrea and Ruiz, David },
  title = { Conformal metrics with prescribed scalar and mean curvature },
  journal = {  },
  year = { 2021 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/5131/ },
  note = { cvgmt preprint}
}