%0 Journal Article %A Foster, D. M. E. %T Estimates for a remainder term associated with the sum of digits function %J Glasgow mathematical journal %D 1987 %P 109-129 %V 29 %N 1 %U http://geodesic.mathdoc.fr/articles/10.1017/S001708950000673X/ %R 10.1017/S001708950000673X %F 10_1017_S001708950000673X