%0 Journal Article %A V. P. Motornyi %T An inequality for the moduli of smoothness of a periodic function with bounded derivative %J Doklady Akademii Nauk %D 1964 %P 45-47 %V 154 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1964_154_1_a10/ %G ru %F DAN_1964_154_1_a10