TY - JOUR AU - Nguyen Dinh Huyen TI - Conditions of convergence of some classes of nonlinear difference systems JO - Vestnik Sankt-Peterburgskogo universiteta. Prikladnaâ matematika, informatika, processy upravleniâ PY - 2011 SP - 90 EP - 96 IS - 2 UR - http://geodesic.mathdoc.fr/item/VSPUI_2011_2_a9/ LA - ru ID - VSPUI_2011_2_a9 ER -