1. Fichera G., Historical and bibliographic remarks concerning existence theorems in elasticity. In Encyclopedia of Physics, Volume VIa/2, Mechanics of Solids II, Flügge/Truesdell, eds. Springer-Verlag, Berlin 1972.
2. Kupradze et al. Three-Dimensional Problems of the Mathematical Theory of Elasticity and Thermoelasticity. North-Holland Publishing Co., Amsterdam 1979.
3. Mikhlin S. G., Multi-Dimensional Singular Integrals and Integral Equations. Pergamon Press, Oxford 1965.
4. Rizzonelli P. C., On the first boundary value problem for the classical theory of elasticity in a three-dimensional domain with a singular boundary. J. Elasticity 3 (1973) 225?259.
5. Rizzo F. J., An integral equation approach to boundary value problems of classical elastocstatics. Quart. Appl. Math. 25 (1967) 83?95.