%0 Journal Article %A O. L. Vinogradov %T The sharp constant in the estimate of the Rogozinski sums deviation in terms of the second modulus of continuity %J Zapiski Nauchnykh Seminarov POMI %D 1997 %P 26-45 %V 247 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1997_247_a2/ %G ru %F ZNSL_1997_247_a2