%0 Journal Article %A Sadowska, Elżbieta %T Almost midconvex and almost convex set-valued functions %J Mathematica slovaca %D 2000 %P 453-461 %V 50 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MASLO_2000__50_4_a5/ %G en %F MASLO_2000__50_4_a5