%0 Journal Article %A E. N. Selivanova %T Classification of geodesic flows of Liouville metrics on the two-dimensional torus up to topological equivalence %J Sbornik. Mathematics %D 1993 %P 491-505 %V 75 %N 2 %U http://geodesic.mathdoc.fr/item/SM_1993_75_2_a9/ %G en %F SM_1993_75_2_a9