@Misc{ 
  FerGio24,
  author = { Ferrari, Fausto and Giovagnoli, Davide },
  title = { Some counterexamples to Alt-Caffarelli-Friedman monotonicity formulas in
  Carnot groups },
  journal = {  },
  year = { 2024 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/6360/ },
  note = { cvgmt preprint}
}