%0 Journal Article %A Pan, Xiaowei %A Zhang, Wenpeng %T On Lehmer's problem and Dedekind sums %J Czechoslovak Mathematical Journal %D 2011 %P 909-916 %V 61 %N 4 %I mathdoc %U https://geodesic-test.mathdoc.fr/articles/10.1007/s10587-011-0058-2/ %R 10.1007/s10587-011-0058-2 %G en %F 10_1007_s10587_011_0058_2