%0 Journal Article %A Lewis Bowen %A Amos Nevo %T A horospherical ratio ergodic theorem for actions of free groups %J Groups, geometry, and dynamics %D 2014 %P 331-353 %V 8 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4171/ggd/228/ %R 10.4171/ggd/228 %F 10_4171_ggd_228