%0 Journal Article %A K. Chandrasekharan %T Exponential sums in the development of number theory %J Informatics and Automation %D 1973 %P 7-26 %V 132 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_1973_132_a1/ %G en %F TRSPY_1973_132_a1