@article{IVM_1989_3_a10,
     author = {N. S. Fal'ko},
     title = {On the classification of {Lyapunov-stable} dynamical systems of perturbed motions},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {63--69},
     publisher = {mathdoc},
     number = {3},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1989_3_a10/}
}