@article{DAN_1988_298_5_a4,
     author = {V. B. Kolmanovskii and V. R. Nosov},
     title = {Application of degenerate {Lyapunov} functions in stability theory},
     journal = {Doklady Akademii Nauk},
     pages = {1051--1055},
     publisher = {mathdoc},
     volume = {298},
     number = {5},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1988_298_5_a4/}
}