%0 Journal Article %A V. P. Motornyi %A V. I. Ruban %T Diameters of some classes of differentiable periodic functions in the space $L$ %J Matematičeskie zametki %D 1975 %P 531-543 %V 17 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1975_17_4_a4/ %G ru %F MZM_1975_17_4_a4