@article{BUMI_2008_9_1_3_a9,
     author = {Delladio, Silvano},
     title = {A {Sufficient} {Condition} for the $C^2${-Rectifiability} of the {Set} of {Regular} {Values} (in the {Sense} of {Clarke)} of a {Lipschitz} {Map}},
     journal = {Bollettino della Unione matematica italiana},
     pages = {695--707},
     publisher = {mathdoc},
     volume = {Ser. 9, 1},
     number = {3},
     year = {2008},
     zbl = {1211.49051},
     mrnumber = {2455340},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/BUMI_2008_9_1_3_a9/}
}