@article{VSGTU_2022_26_2_a6,
     author = {E. I. Pon'kin},
     title = {The  characteristic {Cauchy} problem of standard form for~describing the outflow of a polytropic gas into vacuum from an obligue wall},
     journal = {Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences},
     pages = {322--338},
     publisher = {mathdoc},
     volume = {26},
     number = {2},
     year = {2022},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VSGTU_2022_26_2_a6/}
}