%0 Journal Article
%A A. Katok
%A M. Pollicott
%A G. Knieper
%T Differentiability and analycity of topological entropy for Anosov and geodesic flows.
%J Inventiones mathematicae
%D 1989
%P 581-598
%V 98
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IM_1989__98_1_143744/
%F IM_1989__98_1_143744