1. Integral equation methods in scattering theory;Colton,1984
2. Radiation and scattering of sound;Shenderov,1989
3. Analytic properties of wave fields;Apel’tsin,1990
4. The singularities of the continuation of wave fields;Kyurkchan;Phys Usp,1996
5. Numerical analysis of diffraction of radio waves;Zakharov,1982