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3. A. E. Bukatov, ?Influence of longitudinal tension on the development of flexible-gravitational waves in a continuous ice cover,? Morsk. Gidrofiz. Issled., No. 4 (1978).
4. S. P. Timoshenko, Vibration Problems in Engineering, Wiley (1974).
5. L. I. Slepyan, Nonstationary Elastic Waves [in Russian], Sudostroenie, Leningrad (1972).