%0 Journal Article %A VeselĂ˝, Libor %T The distance between subdifferentials in the terms of functions %J Commentationes Mathematicae Universitatis Carolinae %D 1993 %P 419-424 %V 34 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_1993__34_3_a3/ %G en %F CMUC_1993__34_3_a3