@Article{ 
  FerGio24,
  author = { Ferrari, Fausto and Giovagnoli, Davide },
  title = { Some counterexamples to Alt-Caffarelli-Friedman monotonicity formulas in  Carnot groups },
  journal = { Annali di Matematica Pura ed Applicata (1923 -) },
  year = { 2024 },
  doi = { https://doi.org/10.1007/s10231-024-01490-8 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/6360/ },
  note = { cvgmt preprint}
}