%0 Journal Article %A J. Voloch %T On the number of values taken by a polynomial over a finite field %J Acta Arithmetica %D 1989 %P 197-201 %V 52 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-52-2-197-201/ %R 10.4064/aa-52-2-197-201 %G en %F 10_4064_aa_52_2_197_201