%0 Journal Article %A Henry H. Kim %T Functoriality and number of solutions of congruences %J Acta Arithmetica %D 2007 %P 235-243 %V 128 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa128-3-4/ %R 10.4064/aa128-3-4 %G en %F 10_4064_aa128_3_4