@article{DAN_1957_113_3_a10,
     author = {Yu. D. Shmyglevskii},
     title = {A variation problem in the gas dynamics of axially symmetrical supersonic flows},
     journal = {Doklady Akademii Nauk},
     pages = {520--522},
     publisher = {mathdoc},
     volume = {113},
     number = {3},
     year = {1957},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1957_113_3_a10/}
}