@Misc{ 
  BraMaz19,
  author = { Brasco, Lorenzo and Mazzoleni, Dario },
  title = { On principal frequencies, volume and inradius in convex sets },
  journal = { NoDEA },
  year = { 2019 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/4518/ },
  note = { cvgmt preprint}
}