%0 Journal Article %A A. N. Kolmogorov %T A~new metric invariant of transitive dynamical systems and automorphisms of Lebesgue spaces %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1985 %P 94-98 %V 169 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_1985_169_a5/ %G ru %F TM_1985_169_a5