TY  - JOUR
AU  - Giovanni Gandini
TI  - Cohomological invariants and  the classifying space  for proper actions
JO  - Groups, geometry, and dynamics
PY  - 2012
SP  - 659
EP  - 675
VL  - 6
IS  - 4
UR  - http://geodesic.mathdoc.fr/articles/10.4171/ggd/169/
DO  - 10.4171/ggd/169
ID  - 10_4171_ggd_169
ER  -