%0 Journal Article %A Yu. P. Orevkov %T A generalization of Skljarenko’s theorem %J Doklady Akademii Nauk %D 1965 %P 823-826 %V 163 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1965_163_4_a9/ %G ru %F DAN_1965_163_4_a9