%0 Journal Article
%A M. Kalecki
%T A simple elementary proof of $M(x)=\sum_{n≤x} μ(n)=o(x)$
%J Acta Arithmetica
%D 1967
%P 1-7
%V 13
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/aa-13-1-1-7/
%R 10.4064/aa-13-1-1-7
%G en
%F 10_4064_aa_13_1_1_7