%0 Journal Article %A V. I. Berdyshev %T A~relation between Jensen's inequality and a~geometrical problem %J Matematičeskie zametki %D 1968 %P 327-338 %V 3 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1968_3_3_a11/ %G ru %F MZM_1968_3_3_a11