%0 Journal Article %A S. A. Stepanov %A I. E. Shparlinski %T An estimate for the incomplete sum of multiplicative characters of polynomials %J Diskretnaya Matematika %D 1990 %P 115-119 %V 2 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DM_1990_2_3_a12/ %G ru %F DM_1990_2_3_a12