TY - JOUR AU - L. M. Kuperman TI - On the theory of $\varepsilon $-controllability of linear systems with lag JO - Differencialʹnye uravneniâ PY - 1978 SP - 1791 EP - 1795 VL - 14 IS - 10 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1978_14_10_a7/ LA - ru ID - DE_1978_14_10_a7 ER -