%0 Journal Article %A R. K. Romanovskii %A A. M. Biberman %T Criteria for the boundness of the solutions of the Cauchy problem for a~sistem of hyperbolic difference equations %J Izvestiya. Mathematics %D 1971 %P 711-718 %V 5 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1971_5_3_a11/ %G en %F IM2_1971_5_3_a11