TY - JOUR AU - T. B. Kopeikina TI - Relative observability of linear time-dependent singularly perturbed systems with delay JO - Differencialʹnye uravneniâ PY - 1998 SP - 24 EP - 30 VL - 34 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1998_34_1_a3/ LA - ru ID - DE_1998_34_1_a3 ER -