Szukana fraza: [Abstract = "The present paper discusses the dispersion equation for SH waves in a non\-homogeneous monoclinic layer over a semi infinite isotropic medium. The wave velocity equation has been obtained. In the isotropic case, when non\-homogeneity is absent, the dispersion equation reduces to the standard SH wave equation. The dispersion curves are depicted by means of graphs for different values of non\-homogeneity parameters for the layer and semi\-infinite medium."]

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