%0 Journal Article %A Pavlica, David %T A d.c. $C^1$ function need not be difference of convex $C^1$ functions %J Commentationes Mathematicae Universitatis Carolinae %D 2005 %P 75-83 %V 46 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_2005__46_1_a6/ %G en %F CMUC_2005__46_1_a6