TY - JOUR AU - Yu. F. Dolgii AU - S. G. Nikolaev TI - On the stability of a periodic system of differential equations with delay JO - Differencialʹnye uravneniâ PY - 1999 SP - 1330 EP - 1336 VL - 35 IS - 10 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1999_35_10_a4/ LA - ru ID - DE_1999_35_10_a4 ER -