%0 Journal Article %A Silvano Delladio %T The set of regular values (in the sense of Clarke) of a Lipschitz map. A sufficient condition for rectifiability of class $C^3$ %J Annales Polonici Mathematici %D 2016 %P 215-230 %V 117 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap3923-9-2016/ %R 10.4064/ap3923-9-2016 %G en %F 10_4064_ap3923_9_2016