%0 Journal Article
%A Pierre de la Harpe
%A A. Robertson
%A Alain Valette
%T On the spectrum of the sum of generators of a finitely generated group, II
%J Colloquium Mathematicum
%D 1993
%P 87-87
%V 65
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/cm-65-1-87/
%R 10.4064/cm-65-1-87
%G en
%F 10_4064_cm_65_1_87