%0 Journal Article %A A. D. Khamitova %T Characteristic polynomials for a cycle of non-linear discrete systems with time delays %J Vestnik Sankt-Peterburgskogo universiteta. Prikladnaâ matematika, informatika, processy upravleniâ %D 2016 %P 104-115 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/VSPUI_2016_4_a9/ %G en %F VSPUI_2016_4_a9