1. Electrodynamics of periodic structures;Nefedov,1977
2. Numerical methods of investigating problems of diffraction by periodic structures and in inhomogeneous media;Il'inskii,1974
3. Diffraction of waves by arrays;Shestopalov,1973
4. Analytic techniques in the theory of waveguides;Mittra,1974
5. Linear differential operators;Naimark,1954