%0 Journal Article %A A. Kruse %T Estimates of $\sum__{k=1}^N k^{-s}〈kx〉^{-t}$ %J Acta Arithmetica %D 1966 %P 229-261 %V 12 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-12-3-229-261/ %R 10.4064/aa-12-3-229-261 %G en %F 10_4064_aa_12_3_229_261