%0 Journal Article %A Stephan Baier %T On the $p^{\lambda }$ problem %J Acta Arithmetica %D 2004 %P 77-101 %V 113 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa113-1-7/ %R 10.4064/aa113-1-7 %G en %F 10_4064_aa113_1_7