%0 Journal Article %A S. Kh. Aranson %A V. Z. Grines %T Topological classification of flows on closed two-dimensional manifolds %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1986 %P 183-208 %V 41 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1986_41_1_a3/ %G en %F RM_1986_41_1_a3