%0 Journal Article %A D. A. Tursunov %A A. S. Sadieva %T Asymptotics of the solution of one Valley--Ooussin problem with an unstable spectrum %J Vestnik Ûžno-Uralʹskogo gosudarstvennogo universiteta. Seriâ, Matematika, mehanika, fizika %D 2024 %P 72-77 %V 16 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/VYURM_2024_16_2_a6/ %G ru %F VYURM_2024_16_2_a6