@article{VSPUI_2020_16_3_a7,
     author = {A. V. Ekimov and A. P. Zhabko and P. V. Yakovlev},
     title = {The stability of differential-difference equations with proportional time delay. {I.} {Linear} controlled system},
     journal = {Vestnik Sankt-Peterburgskogo universiteta. Prikladna\^a matematika, informatika, processy upravleni\^a},
     pages = {316--325},
     year = {2020},
     volume = {16},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VSPUI_2020_16_3_a7/}
}