%0 Journal Article
%A François Ledrappier
%T Analyticity of the entropy for some random walks
%J Groups, geometry, and dynamics
%D 2012
%P 317-333
%V 6
%N 2
%U http://geodesic.mathdoc.fr/articles/10.4171/ggd/159/
%R 10.4171/ggd/159
%F 10_4171_ggd_159