%0 Journal Article %A A. I. Kozhanov %A T. P. Plekhanova %T Boundary-value problems for one class of composite equations with the wave operator in the senior part %J Itogi nauki i tehniki. Sovremennaâ matematika i eë priloženiâ. Tematičeskie obzory %D 2020 %P 76-83 %V 188 %I mathdoc %U http://geodesic.mathdoc.fr/item/INTO_2020_188_a6/ %G ru %F INTO_2020_188_a6