@article{SJIM_2004_7_3_a11,
     author = {E. V. Mamontov},
     title = {Strong discontinuities in 2-submodels of class $E$~of gas dynamic equations},
     journal = {Sibirskij \v{z}urnal industrialʹnoj matematiki},
     pages = {111--118},
     publisher = {mathdoc},
     volume = {7},
     number = {3},
     year = {2004},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SJIM_2004_7_3_a11/}
}