%0 Journal Article %A Yu. A. Brailov %A E. A. Kudryavtseva %T Stable topological nonconjugacy of Hamiltonian systems on two-dimensional surfaces %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 1999 %P 20-27 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_1999_2_a4/ %G ru %F VMUMM_1999_2_a4