TY - JOUR AU - Yu. F. Dolgii AU - E. V. Ul'yanov TI - Singular numbers of the monodromy operator and sufficient conditions of the asymptotic stability of periodic system of differential equations with fixed delay JO - Trudy Instituta matematiki i mehaniki PY - 2007 SP - 66 EP - 79 VL - 13 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TIMM_2007_13_2_a5/ LA - ru ID - TIMM_2007_13_2_a5 ER -