%0 Journal Article %A A. I. Kozhanov %A Kh. Kenzhebay %T Boundary value problems with an integro-differential non-local condition for composite type differential equations of the fourth order %J Čelâbinskij fiziko-matematičeskij žurnal %D 2023 %P 516-527 %V 8 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/CHFMJ_2023_8_4_a4/ %G ru %F CHFMJ_2023_8_4_a4