@article{ASNSP_2013_5_12_4_863_0,
     author = {Alberti, Giovanni and Bianchini, Stefano and Crippa, Gianluca},
     title = {Structure of level sets and {Sard-type} properties of {Lipschitz} maps},
     journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
     pages = {863--902},
     publisher = {Scuola Normale Superiore, Pisa},
     volume = {Ser. 5, 12},
     number = {4},
     year = {2013},
     mrnumber = {3184572},
     zbl = {1295.26016},
     language = {en},
     url = {http://www.numdam.org/item/ASNSP_2013_5_12_4_863_0/}
}