@article{DAN_1969_185_2_a1,
     author = {V. A. Borovikov},
     title = {On the problem of the decay of a discontinuity for a system of two quasilinear equations},
     journal = {Doklady Akademii Nauk},
     pages = {250--252},
     publisher = {mathdoc},
     volume = {185},
     number = {2},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1969_185_2_a1/}
}