TY - JOUR AU - O. B. Tsekhan TI - Conditions for pointwise controllability and pointwise observability of linear time-invariant singularly perturbed systems with delay JO - Trudy Instituta matematiki PY - 2021 SP - 138 EP - 148 VL - 29 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TIMB_2021_29_1_a12/ LA - ru ID - TIMB_2021_29_1_a12 ER -