%0 Journal Article %A V. Dzhafarov %A T. Büyükköroğlu %A H. Akyar %T Stability Region for Discrete Time Systems and Its Boundary %J Trudy Instituta matematiki i mehaniki %D 2021 %P 246-255 %V 27 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/TIMM_2021_27_3_a19/ %G en %F TIMM_2021_27_3_a19