%0 Journal Article %A A. A. Bondar' %T On conditions for exponential dichotomy for systems of difference equations under perturbation of coefficients %J Matematičeskie zametki SVFU %D 2019 %P 3-13 %V 26 %N 4 %U http://geodesic.mathdoc.fr/item/SVFU_2019_26_4_a0/ %G ru %F SVFU_2019_26_4_a0