@Article{ 
  DraFil18,
  author = { Dragoni, Federica and Filali, Doaa },
  title = { Starshaped and convex sets in Carnot groups and in the geometries of vector fields. },
  journal = { Journal of Convex Analysis },
  year = { 2019 },
  volume = { 24 },
  number = { 4 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/4090/ },
  note = { cvgmt preprint}
}