%0 Journal Article %A V. V. Zhuk %T Some relations between moduli of continuity and functionals defined on sets of periodic functions %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1970 %P 24-33 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1970_5_a2/ %G ru %F IVM_1970_5_a2