%0 Journal Article
%A Balmer, Paul
%A Dell’Ambrogio, Ivo
%A Sanders, Beren
%T Restriction to finite-index subgroups as étale extensions in topology, KK–theory and geometry
%J Algebraic and Geometric Topology
%D 2015
%P 3023-3045
%V 15
%N 5
%U http://geodesic.mathdoc.fr/articles/10.2140/agt.2015.15.3025/
%R 10.2140/agt.2015.15.3025
%F 10_2140_agt_2015_15_3025