@Misc{ 
  Fra16a,
  author = { Franceschi, Valentina },
  title = { Sharp and Quantitative Isoperimetric Inequalities in Carnot-Carathéodory Spaces },
  journal = {  },
  year = { 2016 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/3130/ },
  note = { cvgmt preprint}
}