%0 Journal Article
%A Timothy A. Schroeder
%T $\ell ^{2}$-homology and planar graphs
%J Colloquium Mathematicum
%D 2013
%P 129-139
%V 131
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/cm131-1-11/
%R 10.4064/cm131-1-11
%G en
%F 10_4064_cm131_1_11