%0 Journal Article %A Jean Dumont %A Alain Thomas %T Digital sum moments and substitutions %J Acta Arithmetica %D 1993 %P 205-225 %V 64 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-64-3-205-225/ %R 10.4064/aa-64-3-205-225 %G en %F 10_4064_aa_64_3_205_225