TY - JOUR AU - Yu. F. Dolgii AU - S. D. Sazhina TI - An estimate of exponential stability of systems with delay by the method of approximating systems JO - Differencialʹnye uravneniâ PY - 1985 SP - 2046 EP - 2052 VL - 21 IS - 12 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1985_21_12_a2/ LA - ru ID - DE_1985_21_12_a2 ER -