%0 Journal Article %A E. I. Pon'kin %T The characteristic Cauchy problem of standard form for~describing the outflow of a polytropic gas into vacuum from an obligue wall %J Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences %D 2022 %P 322-338 %V 26 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/VSGTU_2022_26_2_a6/ %G ru %F VSGTU_2022_26_2_a6