%0 Journal Article %A A. V. Grishin %T On the solvability of certain problems of supersonic flow around a wedge within the framework of the Lavrent'ev–Bitsadze approximation %J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki %D 1986 %P 1868-1877 %V 26 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZVMMF_1986_26_12_a9/ %G ru %F ZVMMF_1986_26_12_a9