@Article{ 
  LeMoOtPaVi15,
  author = { Le Donne, Enrico and Montgomery, Richard and Ottazzi, Alessandro and Pansu, Pierre and Vittone, Davide },
  title = { Sard Property for the endpoint map on some Carnot groups },
  journal = { Ann. Inst. H. Poincaré Anal. Non Linéaire },
  year = { 2016 },
  volume = { 33 },
  number = { 6 },
  pages = { 1639--1666 },
  URL = { http://cvgmt.sns.it/paper/2648/ },
  note = { cvgmt preprint}
}