TY - JOUR AU - E. I. Pon'kin TI - The characteristic Cauchy problem of standard form for~describing the outflow of a polytropic gas into vacuum from an obligue wall JO - Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences PY - 2022 SP - 322 EP - 338 VL - 26 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VSGTU_2022_26_2_a6/ LA - ru ID - VSGTU_2022_26_2_a6 ER -