TY - JOUR AU - I. V. Gaishun TI - Differential-difference two-parameter control systems JO - Differencialʹnye uravneniâ PY - 1994 SP - 931 EP - 938 VL - 30 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1994_30_6_a1/ LA - ru ID - DE_1994_30_6_a1 ER -