@article{VSPUI_2011_2_a9,
     author = {Nguyen Dinh Huyen},
     title = {Conditions of convergence of some classes of nonlinear difference systems},
     journal = {Vestnik Sankt-Peterburgskogo universiteta. Prikladna\^a matematika, informatika, processy upravleni\^a},
     pages = {90--96},
     year = {2011},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VSPUI_2011_2_a9/}
}