%0 Journal Article %A O. P. Barabash %T On strong solutions of a $B$-elliptic boundary-value problem and its difference approximation %J Itogi nauki i tehniki. Sovremennaâ matematika i eë priloženiâ. Tematičeskie obzory %D 2024 %P 3-12 %V 236 %I mathdoc %U http://geodesic.mathdoc.fr/item/INTO_2024_236_a0/ %G ru %F INTO_2024_236_a0