%0 Journal Article
%A Jean-Louis Tu
%T Non-Hausdorff groupoids, proper actions and $K$-theory
%J Documenta mathematica
%D 2004
%P 565-597
%V 9
%U http://geodesic.mathdoc.fr/articles/10.4171/dm/178/
%R 10.4171/dm/178
%F 10_4171_dm_178