TY - JOUR AU - Ya. B. Pesin TI - Geodesic flows with hyperbolic behaviour of the trajectories and objects connected with them JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1981 SP - 1 EP - 59 VL - 36 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1981_36_4_a0/ LA - en ID - RM_1981_36_4_a0 ER -