@article{DE_2002_38_5_a0,
     author = {Yu. N. Bibikov},
     title = {Stability of {Zero} {Solutions} of {Essentially} {Nonlinear} {One-Degree-of-Freedom} {Hamiltonian} and {Reversible} {Systems}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {579--584},
     publisher = {mathdoc},
     volume = {38},
     number = {5},
     year = {2002},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2002_38_5_a0/}
}