@Misc{ 
  NobVio24,
  author = { Nobili, Francesco and Violo, Ivan Yuri },
  title = { Fine Pólya-Szegő rearrangement inequalities in metric spaces and
  applications },
  journal = {  },
  year = { 2024 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/6797/ },
  note = { cvgmt preprint}
}