@Misc{ 
  BiBrSkZa22,
  author = { Bianchi, Francesca and Brasco, Lorenzo and Sk, Firoj and Zagati, Anna Chiara },
  title = { A note on the supersolution method for Hardy's inequality },
  journal = { Rev. Mat. Complut. },
  year = { 2022 },
  pages = { 14 },
  URL = { http://cvgmt.sns.it/paper/5712/ },
  note = { cvgmt preprint}
}