@article{DAN_1962_147_6_a4,
     author = {M. B. Kudaev},
     title = {A study of the behaviour of the trajectories of systems of differential equations by means of {Lyapunov} functions},
     journal = {Doklady Akademii Nauk},
     pages = {1285--1287},
     publisher = {mathdoc},
     volume = {147},
     number = {6},
     year = {1962},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1962_147_6_a4/}
}