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2. Diffraction of electromagnetic waves by a right-angle dielectric wedge;Kraut, Edgar A.;J. Mathematical Phys.,1969
3. E. C. Titchmarsh, Introduction to the theory of Fourier integrals, 2nd ed., Clarendon Press, Oxford, 1948, p. 122.
4. International Series of Monographs in Pure and Applied Mathematics, Vol. 88;Pogorzelski, W.,1966