@article{DAN_1983_270_5_a6,
     author = {G. N. Pazin and V. A. Tupchiev},
     title = {Existence of a generalized solution of the {Cauchy} problem for a system of two quasilinear hyperbolic equations without convexity conditions},
     journal = {Doklady Akademii Nauk},
     pages = {1058--1061},
     publisher = {mathdoc},
     volume = {270},
     number = {5},
     year = {1983},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1983_270_5_a6/}
}