TY - JOUR AU - A. M. Romanovskaya TI - The stability of the solutions of the Cauchy problem for a~second-order hyperbolic system with periodic coefficients JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1987 SP - 44 EP - 48 IS - 7 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1987_7_a7/ LA - ru ID - IVM_1987_7_a7 ER -