TY - JOUR AU - Ya. B. Pesin TI - Characteristic Lyapunov exponents and smooth ergodic theory JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1977 SP - 55 EP - 114 VL - 32 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1977_32_4_a1/ LA - en ID - RM_1977_32_4_a1 ER -