@article{DE_1975_11_12_a11,
     author = {M. P. Grigolia},
     title = {The uniqueness of the solution of the {Goursat} problem for a quasilinear hyperbolic system},
     journal = {Differencialʹnye uravneni\^a},
     pages = {2210--2219},
     publisher = {mathdoc},
     volume = {11},
     number = {12},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1975_11_12_a11/}
}