%0 Journal Article %A P. V. Semenov %T Convex sections of graphs of continuous functions %J Matematičeskie zametki %D 1991 %P 75-80 %V 50 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1991_50_5_a10/ %G ru %F MZM_1991_50_5_a10