@article{DAN_1964_155_6_a0,
     author = {A. I. Vagabov},
     title = {Conditions for the correctness of one-dimensional mixed problems for hyperbolic systems},
     journal = {Doklady Akademii Nauk},
     pages = {1247--1249},
     publisher = {mathdoc},
     volume = {155},
     number = {6},
     year = {1964},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1964_155_6_a0/}
}