TY - JOUR AU - E. V. Mamontov TI - Strong discontinuities in 2-submodels of class $E$~of gas dynamic equations JO - Sibirskij žurnal industrialʹnoj matematiki PY - 2004 SP - 111 EP - 118 VL - 7 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SJIM_2004_7_3_a11/ LA - ru ID - SJIM_2004_7_3_a11 ER -