@Misc{ 
  Car23b,
  author = { Carducci, Matteo },
  title = { Epiperimetric inequalities in the obstacle problem for the fractional
  Laplacian },
  journal = {  },
  year = { 2023 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/6290/ },
  note = { cvgmt preprint}
}