@article{VSGTU_2016_20_1_a0,
     author = {A. H. Attaev},
     title = {Goursat problem for loaded degenerate second order hyperbolic equation with {Gellerstedt} operator in principal part},
     journal = {Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences},
     pages = {7--21},
     publisher = {mathdoc},
     volume = {20},
     number = {1},
     year = {2016},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VSGTU_2016_20_1_a0/}
}