@article{MMO_1972_27_a1,
     author = {V. A. Borovikov},
     title = {The decay of a~discontinuity for systems of two quasilinear equations},
     journal = {Trudy Moskovskogo matemati\v{c}eskogo ob\^{s}estva},
     pages = {53--92},
     publisher = {mathdoc},
     volume = {27},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MMO_1972_27_a1/}
}