%0 Journal Article %A Révész, Szilárd GY. %A Ruzsa, Imre Z. %T On approximating Lebesgue integrals by Riemann sums %J Glasgow mathematical journal %D 1991 %P 129-134 %V 33 %N 2 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089500008156/ %R 10.1017/S0017089500008156 %F 10_1017_S0017089500008156