%0 Journal Article %A B. V. Pannikov %T On the convergence of Riemann sums for discontinuous functions %J Doklady Akademii Nauk %D 1971 %P 542-544 %V 201 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1971_201_3_a6/ %G ru %F DAN_1971_201_3_a6