@article{DAN_1982_263_5_a14,
     author = {E. N. Zubov},
     title = {On double waves of the gasdynamic equations for three-dimensional nonstationary flows of an ideal gas with varying entropy},
     journal = {Doklady Akademii Nauk},
     pages = {1087--1091},
     publisher = {mathdoc},
     volume = {263},
     number = {5},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1982_263_5_a14/}
}