@article{DAN_1964_155_2_a10,
     author = {S. A. Tersenov},
     title = {A problem with data on a line of degeneration for systems of equations of hyperbolic type},
     journal = {Doklady Akademii Nauk},
     pages = {285--288},
     publisher = {mathdoc},
     volume = {155},
     number = {2},
     year = {1964},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1964_155_2_a10/}
}