%0 Journal Article %A S. V. Bolotin %T Doubly asymptotic trajectories and conditions for integrability of Hamiltonian systems %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 1990 %P 55-63 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_1990_1_a13/ %G ru %F VMUMM_1990_1_a13