%0 Journal Article %A B. V. Pannikov %T Convergence of Riemann sums for functions which can be represented by trigonometric series with coefficients forming a~monotonic sequence %J Matematičeskie zametki %D 1970 %P 607-618 %V 8 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1970_8_5_a7/ %G ru %F MZM_1970_8_5_a7