1. F. R. Gantmakher, Matrix Theory [in Russian], Nauka, Moscow (1966).
2. V. I. Petrishin and A. K. Privarnikov, ?The fundamental boundary value problems of the theory of elasticity for multilayered foundations,? Prikl. Mekh.,1, No. 4 (1965).
3. N. A. Rostovtsev, ?On the theory of elasticity of a nonhomogeneous medium,? Prikl. Matem. i Mekh.,28, No. 4 (1964).
4. I. N. Sneddon, Fourier Transforms, McGraw-Hill, New York (1951).
5. Yu. A. Shevlyakov, Yu. A. Naumov, and V. I. Chistyak, ?On the calculation of nonhomogeneous foundations,? Prikl. Mekh.,4, No. 9 (1968).