@Article{ 
  MagMar12,
  author = { Magnanini, Rolando and Marini, Michele },
  title = { Characterization of ellipses as uniformly dense sets with respect to a family of convex bodies },
  journal = {  },
  year = { 2013 },
  doi = { 10.1007/s10231-013-0334-x },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/1857/ },
  note = { cvgmt preprint}
}