%0 Journal Article
%A Alex Kumjian
%A David Pask
%A Aidan Sims
%T $C^*$-algebras associated to coverings of $k$-graphs
%J Documenta mathematica
%D 2008
%P 161-205
%V 13
%U http://geodesic.mathdoc.fr/articles/10.4171/dm/247/
%R 10.4171/dm/247
%F 10_4171_dm_247