@article{VSGTU_2013_1_a12,
     author = {R. R. Rayanova},
     title = {On a~boundary value problem for a~system of hyperbolic equations with the wave operator and a~singular coefficient of lower derivatives},
     journal = {Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences},
     pages = {144--149},
     publisher = {mathdoc},
     number = {1},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VSGTU_2013_1_a12/}
}