TY - JOUR AU - I. V. Gaishun TI - Existence of canonical forms of linear time-dependent control systems with respect to an exponential group JO - Differencialʹnye uravneniâ PY - 1998 SP - 727 EP - 734 VL - 34 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1998_34_6_a1/ LA - ru ID - DE_1998_34_6_a1 ER -