@Misc{ 
  BraDeP16,
  author = { Brasco, Lorenzo and De Philippis, Guido },
  title = { Spectral inequalities in quantitative form },
  journal = {  },
  year = { 2016 },
  pages = { 71 },
  URL = { http://cvgmt.sns.it/paper/2994/ },
  note = { cvgmt preprint}
}