@article{VMUMM_2019_3_a6,
     author = {D. V. Georgievskii},
     title = {Isolated stable initial perturbations of unstable equilibria of some mechanical systems},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {49--54},
     publisher = {mathdoc},
     number = {3},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_2019_3_a6/}
}