1. L. M. Brekhovskikh, Zh. Tekh. Fiz. 19, 1126 (1949).
2. L. M. Brekhovskikh, Waves in Layered Media (Nauka, Moscow, 1973; Academic, New York, 1980).
3. L. M. Brekhovskikh and O. A. Godin, Acoustics of Layered Media (Nauka, Moscow, 1989) [in Russian].
4. M. Born and E. Wolf, Principles of Optics: Electromagnetic Theory of Propagation, Interference, and Diffraction of Light (Pergamon, Oxford, 1964; Nauka, Moscow 1970).
5. G. V. Rozenberg, Optics of Thin-Layer Coatings (Fizmatlit, Moscow, 1958) [in Russian].