%0 Journal Article %A Chui, Charles K. %T A Convergence Theorem for Certain Riemann Sums %J Canadian mathematical bulletin %D 1969 %P 523-525 %V 12 %N 4 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1969-071-8/ %R 10.4153/CMB-1969-071-8 %F 10_4153_CMB_1969_071_8