TY - JOUR AU - G. A. Kurina TI - Invertibility of an Operator Appearing in the Control Theory for Linear Systems JO - Matematičeskie zametki PY - 2001 SP - 230 EP - 236 VL - 70 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2001_70_2_a6/ LA - ru ID - MZM_2001_70_2_a6 ER -