%0 Journal Article %A Su-shing Chen %T Entropy of Geodesic Flow and Exponent of Convergence of Some Dirichlet Series. %J Mathematische Annalen %D 1981 %P 97-104 %V 255 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAN_1981__255_182827/ %F MAN_1981__255_182827