%0 Journal Article %A Kryštof, Václav %A Zajíček, Luděk %T Differences of two semiconvex functions on the real line %J Commentationes Mathematicae Universitatis Carolinae %D 2016 %P 21-37 %V 57 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.14712/1213-7243.2015.153/ %R 10.14712/1213-7243.2015.153 %G en %F 10_14712_1213_7243_2015_153