%0 Journal Article %A Juhani Koivisto %T Non-amenability and visual Gromov hyperbolic spaces %J Groups, geometry, and dynamics %D 2017 %P 685-704 %V 11 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4171/ggd/412/ %R 10.4171/ggd/412 %F 10_4171_ggd_412