@article{DE_1990_26_4_a20,
     author = {S. V. Zhestkov},
     title = {On the {Lyapunov} stability of the {Cauchy} problem for linear partial differential systems},
     journal = {Differencialʹnye uravneni\^a},
     pages = {706--709},
     publisher = {mathdoc},
     volume = {26},
     number = {4},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1990_26_4_a20/}
}