The ray type solution for the wave of finite deformation in the physically linear nonlinear inhomogeneous elastic medium
A. P. Kachalov

References
1.	V. V. Novozhilov, Osnovy nelineinoi teorii uprugosti, Gostekhizdat, L.–M., 1948, 324 pp.
2.	L. I. Lure, Nelineinaya teoriya uprugosti, Nauka, M., 1980, 512 pp.
3.	A. P. Kachalov, “Prostranstvenno-vremennoi luchevoi metod dlya voln maloi deformatsii v nelineinoi uprugoi srede”, Zap. nauchn. semin. LOMI, 140, 1984, 61–72
4.	D. R. Bland, Nonlinear Dynamic Elasticity, Blaisdal Publishing Company, Wolflam, 1969