TY - JOUR AU - R. R. Rayanova TI - On a boundary value problem for a system of hyperbolic equations with the wave operator and a singular coefficient of lower derivatives JO - Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences PY - 2013 SP - 144 EP - 149 VL - 130 IS - 1 UR - http://geodesic.mathdoc.fr/item/VSGTU_2013_130_1_a12/ LA - ru ID - VSGTU_2013_130_1_a12 ER -