TY - JOUR AU - A. Katok AU - M. Pollicott AU - G. Knieper TI - Differentiability and analycity of topological entropy for Anosov and geodesic flows. JO - Inventiones mathematicae PY - 1989 SP - 581 EP - 598 VL - 98 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IM_1989__98_1_143744/ ID - IM_1989__98_1_143744 ER -