1. Green's functions: Introductory theory with applications;Roach,1970
2. Elements of Green's functions and propagation: potentials, diffusion, and waves;Barton,1989
3. Application of Green's functions in science and engineering,;Greenberg,1971
4. Introduction to Fourier analysis and generalized functions;Lighthill,1958
5. Mathematics for the physical sciences;Schwartz,1966