%0 Journal Article %A V. A. Kaimanovich %T Lyapunov exponents, symmetric spaces, and a multiplicative ergodic theorem for semisimple Lie groups %J Zapiski Nauchnykh Seminarov POMI %D 1987 %P 30-46 %V 164 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1987_164_a3/ %G ru %F ZNSL_1987_164_a3