@Misc{ 
  AntMer20,
  author = { Antonelli, Gioacchino and Merlo, Andrea },
  title = { Intrinsically Lipschitz functions with normal targets in Carnot groups },
  journal = { Ann. Acad. Sci. Fenn. Math. },
  year = { 2020 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/4696/ },
  note = { cvgmt preprint}
}