@article{DAN_1964_155_4_a5,
     author = {S. N. Kruzhkov},
     title = {The {Cauchy} problem in the large for non-linear equations and for certain first-order quasilinear systems with several variables},
     journal = {Doklady Akademii Nauk},
     pages = {743--746},
     publisher = {mathdoc},
     volume = {155},
     number = {4},
     year = {1964},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1964_155_4_a5/}
}