%0 Journal Article %A A. S. Sushkov %T The convergence of a difference scheme approximating a boundary value problem of the hyperbolic type %J Čelâbinskij fiziko-matematičeskij žurnal %D 2019 %P 333-344 %V 4 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/CHFMJ_2019_4_3_a5/ %G ru %F CHFMJ_2019_4_3_a5