%0 Journal Article %A A. V. Tsvetkova %A A. I. Shafarevich %T Localized Asymptotic Solution of a Variable-Velocity Wave Equation on the Simplest Decorated Graph with Initial Conditions on a Surface %J Matematičeskie zametki %D 2020 %P 601-616 %V 108 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_2020_108_4_a10/ %G ru %F MZM_2020_108_4_a10