@Misc{ 
  BreGig23a,
  author = { Brena, Camillo and Gigli, Nicola },
  title = { Fine representation of Hessian of convex functions and Ricci tensor on
  RCD spaces },
  journal = {  },
  year = { 2023 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/6244/ },
  note = { cvgmt preprint}
}