%0 Journal Article %A Stanisław Knapowski %T Mean-value estimations for the Möbius function I %J Acta Arithmetica %D 1961 %P 121-130 %V 7 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-7-2-121-130/ %R 10.4064/aa-7-2-121-130 %G fr %F 10_4064_aa_7_2_121_130