%0 Journal Article %A Yu. I. Kifer %T Limit theorems for a~conditional Brownian motion in Euclidean and Lobachevskian spaces %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1971 %V 26 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1971_26_3_a12/ %G ru %F RM_1971_26_3_a12