%0 Journal Article %A O. V. Troshkin %T Topological analysis of the structure of hydrodynamic flows %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1988 %P 153-190 %V 43 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1988_43_4_a5/ %G en %F RM_1988_43_4_a5