%0 Journal Article %A M. N. Mishkov %A V. S. Ryaben'kii %T Investigation on artificial boundary conditions constructed by periodization and introduction of a~small parameter for subsonic flow problems %J Matematičeskoe modelirovanie %D 1998 %P 87-98 %V 10 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM_1998_10_9_a6/ %G ru %F MM_1998_10_9_a6