%0 Journal Article %A Stanisław Knapowski %A W Staś %T A note on a theorem of Hardy and Littlewood %J Acta Arithmetica %D 1961 %P 161-166 %V 7 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-7-2-161-166/ %R 10.4064/aa-7-2-161-166 %G en %F 10_4064_aa_7_2_161_166