@article{VMUMM_1990_3_a14,
     author = {S. A. Dovbysh},
     title = {Splitting of separatrices of unstable uniform rotations and nonintegrability of a perturbed {Lagrange} problem},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {70--77},
     publisher = {mathdoc},
     number = {3},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1990_3_a14/}
}