Geodesic
On quasiphotons of Rayleigh waves (anisotropic elastic body case)
Zapiski Nauchnykh Seminarov POMI, Mathematical problems in the theory of wave propagation. Part 35, Tome 332 (2006), pp. 7-18 
V. M. Babich; A. V. Poskryakov. On quasiphotons of Rayleigh waves (anisotropic elastic body case). Zapiski Nauchnykh Seminarov POMI, Mathematical problems in the theory of wave propagation. Part 35, Tome 332 (2006), pp. 7-18. http://geodesic.mathdoc.fr/item/ZNSL_2006_332_a0/
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Voir la notice du chapitre de livre provenant de la source Math-Net.Ru

The construction procedure of quasiphotons analytic formulas is developed. Quasiphotons are special asymptotic solutions of linear equations, that describes wave processes. These asymptotic solutions correspond to concentrated wave packets propagating along rays on a surface of elastic body.

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