@article{VSGTU_2011_124_3_a2,
     author = {A. A. Andreev and J. O. Yakovleva},
     title = {The {Goursat} problem for one hyperbolic system of~the third order differential equations with two independent variables},
     journal = {Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences},
     pages = {35--41},
     year = {2011},
     volume = {124},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VSGTU_2011_124_3_a2/}
}