TY - JOUR AU - M. M. Kopets TI - The controllability of a linear system in a Banach space JO - Differencialʹnye uravneniâ PY - 1977 SP - 561 EP - 563 VL - 13 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1977_13_3_a22/ LA - ru ID - DE_1977_13_3_a22 ER -