@article{DAN_1979_246_2_a9,
     author = {V. P. Maslov and V. A. Tsupin},
     title = {Necessary conditions for the existence of infinitesimally narrow solitons in gas dynamics},
     journal = {Doklady Akademii Nauk},
     pages = {298--300},
     publisher = {mathdoc},
     volume = {246},
     number = {2},
     year = {1979},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1979_246_2_a9/}
}