@article{CMUC_2005__46_1_a6,
     author = {Pavlica, David},
     title = {A d.c. $C^1$ function need not be difference  of convex $C^1$ functions},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {75--83},
     publisher = {mathdoc},
     volume = {46},
     number = {1},
     year = {2005},
     mrnumber = {2175860},
     zbl = {1121.26011},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_2005__46_1_a6/}
}