%0 Journal Article %A A. S. Shamaev %A V. V. Shumilova %T Spectrum of one-dimensional natural vibrations of layered medium consisting of elastic material and viscous incompressible fluid %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 2020 %P 53-57 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_2020_4_a7/ %G ru %F VMUMM_2020_4_a7