TY - JOUR AU - A. V. Ekimov AU - A. P. Zhabko AU - P. V. Yakovlev TI - The stability of differential-difference equations with proportional time delay. I. Linear controlled system JO - Vestnik Sankt-Peterburgskogo universiteta. Prikladnaâ matematika, informatika, processy upravleniâ PY - 2020 SP - 316 EP - 325 VL - 16 IS - 3 UR - http://geodesic.mathdoc.fr/item/VSPUI_2020_16_3_a7/ LA - ru ID - VSPUI_2020_16_3_a7 ER -