@Article{ 
  BriButPri21b,
  author = { Briani, Luca and Buttazzo, Giuseppe and Prinari, Francesca },
  title = { On a class of Cheeger inequalities },
  journal = { Annali di Matematica Pura ed Applicata },
  year = { 2021 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/5359/ },
  note = { cvgmt preprint}
}