@article{VSGTU_2010_1_a23,
     author = {I. G. Mamedov},
     title = {Non-classic {3D} {Goursat} {Problem} for {One} {Hyperbolic} {Equation} {with~Discontinuous} {Coefficients}},
     journal = {Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences},
     pages = {209--213},
     publisher = {mathdoc},
     number = {1},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VSGTU_2010_1_a23/}
}