1. A.Sommerfeld, “Mathematische theorie derdiffraction,” Math.Ann., vol.47, p.317, June1896.
2. J.B.Keller,“ Geometrical theory of diffraction,” J.Opt. Soc. Am., vol.52, no.2, pp.116-130, 1962.
3. L. B. Felsen and N. Marcuvitz, “Radiation andscattering of waves,” Prentice-Hall, Chpt.-6, 1973.
4. M. Ando, N. Endo, K. Sakurai, and T. Sekiguchi,“Suppression of diffracted waves by corrugatedcylinder,” The Trans. of the IEICE, vol.E62, no.5pp.311-318, May 1979.
5. M. Ando, “A Study on the diffraction ofelectromagnetic waves,” Doctor thesis, TokyoInstitute of Technology, Jan. 1979.