@article{VSGTU_2008_2_a0,
     author = {S. A. Vavilov and V. S. Fedotova},
     title = {Classic theorem by {Lyapunov} for differential equations in {Hilbert} spaces},
     journal = {Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences},
     pages = {6--12},
     publisher = {mathdoc},
     number = {2},
     year = {2008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VSGTU_2008_2_a0/}
}