%0 Journal Article %A P. M. Akhmet'ev %T Knot Invariants in Geodesic Flows %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 2020 %P 50-64 %V 308 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_2020_308_a3/ %G ru %F TM_2020_308_a3