%0 Journal Article %A Ya. B. Pesin %T Geodesic flows with hyperbolic behaviour of the trajectories and objects connected with them %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1981 %P 1-59 %V 36 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1981_36_4_a0/ %G en %F RM_1981_36_4_a0