%0 Journal Article %A V. V. Shemetova %T On a boundary value problem for a pseudohyperbolic equation %J Matematičeskie trudy %D 2023 %P 192-207 %V 26 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MT_2023_26_1_a9/ %G ru %F MT_2023_26_1_a9