@article{AIHPC_2016__33_6_1639_0,
     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 = {Annales de l'I.H.P. Analyse non lin\'eaire},
     pages = {1639--1666},
     publisher = {Elsevier},
     volume = {33},
     number = {6},
     year = {2016},
     doi = {10.1016/j.anihpc.2015.07.004},
     mrnumber = {3569245},
     zbl = {1352.53025},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.anihpc.2015.07.004/}
}