%0 Journal Article %A Bruno Duchesne %T Superrigidity in infinite dimension and finite rank via harmonic maps %J Groups, geometry, and dynamics %D 2015 %P 133-148 %V 9 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4171/ggd/308/ %R 10.4171/ggd/308 %F 10_4171_ggd_308