@article{DE_1969_5_5_a1,
     author = {R. \`E. Vinograd},
     title = {A necessary and sufficient criterion, and the precise asymptotics of stability in the first approximation},
     journal = {Differencialʹnye uravneni\^a},
     pages = {800--813},
     publisher = {mathdoc},
     volume = {5},
     number = {5},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1969_5_5_a1/}
}