@article{DAN_1967_173_1_a14,
     author = {A. F. Sidorov},
     title = {Some two-dimensional self-similar flows of a polytropic gas with variable entropy},
     journal = {Doklady Akademii Nauk},
     pages = {58--61},
     publisher = {mathdoc},
     volume = {173},
     number = {1},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1967_173_1_a14/}
}