%0 Journal Article %A A. M. Romanovskaya %T The stability of the solutions of the Cauchy problem for a~second-order hyperbolic system with periodic coefficients %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1987 %P 44-48 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1987_7_a7/ %G ru %F IVM_1987_7_a7