@article{VNGU_2007_7_1_a5,
     author = {E. V. Mamontov},
     title = {Group properties of 2-submodels for the stationary class of gas-dynamic equations},
     journal = {Sibirskij \v{z}urnal \v{c}istoj i prikladnoj matematiki},
     pages = {72--84},
     year = {2007},
     volume = {7},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VNGU_2007_7_1_a5/}
}