@Misc{ 
  BögDuzFus13,
  author = { Bögelein, Verena and Duzaar, Frank and Fusco, Nicola },
  title = { A quantitative isoperimetric inequality on the sphere },
  journal = {  },
  year = { 2013 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/2146/ },
  note = { cvgmt preprint}
}