%0 Journal Article %A D. V. Treschev %T Separatrix splitting from the point of view of symplectic geometry %J Matematičeskie zametki %D 1997 %P 890-906 %V 61 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1997_61_6_a9/ %G ru %F MZM_1997_61_6_a9