TY - JOUR AU - VeselĂ˝, Libor TI - The distance between subdifferentials in the terms of functions JO - Commentationes Mathematicae Universitatis Carolinae PY - 1993 SP - 419 EP - 424 VL - 34 IS - 3 UR - http://geodesic.mathdoc.fr/item/CMUC_1993_34_3_a3/ LA - en ID - CMUC_1993_34_3_a3 ER -