@article{VSPUI_2016_4_a9,
     author = {A. D. Khamitova},
     title = {Characteristic polynomials for a cycle of non-linear discrete systems with time delays},
     journal = {Vestnik Sankt-Peterburgskogo universiteta. Prikladna\^a matematika, informatika, processy upravleni\^a},
     pages = {104--115},
     publisher = {mathdoc},
     number = {4},
     year = {2016},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/VSPUI_2016_4_a9/}
}