TY - JOUR AU - R. K. Romanovskii AU - L. V. Bel'gart TI - Exponential Dichotomy of Linear Difference Systems with Almost Periodic Matrix JO - Matematičeskie zametki PY - 2008 SP - 638 EP - 640 VL - 84 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2008_84_4_a16/ LA - ru ID - MZM_2008_84_4_a16 ER -