%0 Journal Article %A S. A. Dovbysh %T Splitting of separatrices of unstable uniform rotations and nonintegrability of a perturbed Lagrange problem %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 1990 %P 70-77 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_1990_3_a14/ %G ru %F VMUMM_1990_3_a14