TY - JOUR AU - A. V. Vodichev TI - On the observability of systems with delay JO - Differencialʹnye uravneniâ PY - 1987 SP - 589 EP - 597 VL - 23 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1987_23_4_a3/ LA - ru ID - DE_1987_23_4_a3 ER -