%0 Journal Article %A V. P. Soltan %T An axiomatic approach to the theory of convex functions %J Doklady Akademii Nauk %D 1980 %P 813-816 %V 254 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1980_254_4_a10/ %G ru %F DAN_1980_254_4_a10