%0 Journal Article
%A Imre Z. Ruzsa
%T Logarithmic Density and Measures on Semigroups.
%J Manuscripta mathematica
%D 1996
%P 307-318
%V 89
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MM2_1996__89_3_156164/
%F MM2_1996__89_3_156164