1. Banerjee, P. K., Butterfield, R.: Boundary element methods in engineering science, Chap. 4, London: McGraw-Hill 1981.
2. Rizzo, F. J.: An integral equation approach to boundary value problems of classical elastostatics. Quart. Appl. Math.25, 83?95 (1967).
3. Kupradze, V. D.: Potential methods in the theory of elasticity. Jerusalem: Israel Progr. for Sci. Transl. 1965.
4. Watson, J. O.: The analysis of three dimensional problems of elasticity by integral representation of displacement, Int. conf. on variational methods in engineering, Southampton University, 9/51?9/56 (1972).
5. Irschik, H., Ziegler, F.: Application of the Green's function method to thin elastic polygonal plates. Acta Mech.39, 155?169 (1981).