On the specific featu res of the spectrum of eigenmodes of elastic bodies von V. T. Hrinchenko, N. S. Horodetska

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Transformation of flexural waves on the vertical boundary in a stepwise waveguide von N. S. Horodetska, O. O. Nedilko

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Transformation of the irregular wave spectrum by a step von N. S. Horodetska, T. M. Shcherbak, V. I. Nikishov

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