1. Hansen, R. C. (ed.), Geometrical Theory of Diffraction, IEEE Press, 1988.
2. Felson, L. B., Hybrid Formulation of Wave Propagation and Scattering, Nato ASI Series, 1984.
3. Fuks, I. M., "Asymptotic solutions for backscattering by smooth 2D surfaces," Progress In Electromagnetics Research, Vol. 53, 189-226, 2005.
doi:10.2528/PIER04092102 Google Scholar
4. Martinez, D., F. Las-Heras, and R. G. Ayestaran, "Fast methods for evaluating the electric field level in 2D-indoor enviroments," Progress In Electromagnetics Research, Vol. 69, 247-255, 2007.
doi:10.2528/PIER06122105 Google Scholar
5. Maslov, V. P., Perturbation Theory and Asymptotic Method, Moskov., 1976.
6. Kravtsov, Y. A., "Two new methods in the theory of wave propagation in inhomogeneous media (review)," Sov. Phys. Acoust., Vol. 14, No. 1, 1-17, 1968. Google Scholar
7. Gorman, A. D., S. P. Anderson, and R. B. Mohindra, "On caustic related to several common indices of refraction," Radio Sci., Vol. 21, 434-436, 1986. Google Scholar
8. Gorman, A. D., "Vector field near caustics," J. Math. Phys., Vol. 26, 1404-1407, 1985.
doi:10.1063/1.526954 Google Scholar
9. Ziolkowski, R. W. and G. A. Deschamps, "Asymptotic evaluation of high frequency field near a caustic: An introduction to Maslov's method," Radio Sci., Vol. 19, 1001-1025, 1984. Google Scholar
10. Hongo, K., Yu Ji, and E. Nakajimi, "High-frequency expression for the field in the caustic region of a reflector using Maslov's method," Radio Sci., Vol. 21, No. 6, 911-919, 1986. Google Scholar
11. Hongo, K. and Yu Ji, "High-frequency expression for the field in the caustic region of a cylindrical reflector using Maslov's method," Radio Sci., Vol. 22, No. 3, 357-366, 1987. Google Scholar
12. Aziz, A., Q. A. Naqvi, and K. Hongo, "Analysis of the fields in two dimensional Cassegrain system," Progress In Electromagnetics Research, Vol. 71, 227-241, 2007. Google Scholar
13. Felson, L. B. and N. Marcuvitz, Radiation and Scattering of Waves, Prentice-Hall, 1973.
