@Misc{ 
  BiaBra21,
  author = { Bianchi, Francesca and Brasco, Lorenzo },
  title = { The fractional Makai-Hayman inequality },
  journal = { Ann. Mat. Pura Appl. },
  year = { 2022 },
  pages = { 30 },
  URL = { http://cvgmt.sns.it/paper/5304/ },
  note = { cvgmt preprint}
}