%0 Journal Article
%A Giovanni Gandini
%T Cohomological invariants and  the classifying space  for proper actions
%J Groups, geometry, and dynamics
%D 2012
%P 659-675
%V 6
%N 4
%U http://geodesic.mathdoc.fr/articles/10.4171/ggd/169/
%R 10.4171/ggd/169
%F 10_4171_ggd_169