1. On the problem of the distribution of stresses in an elastic half-plane with a variable modulus of elasticity;Lekhnitskii,1963
2. On the theory of elasticity of a nonhomogeneous medium;Rostovtsev;PMM,1964
3. Solution of axisymmetric problems for the theory of elasticity with the aid of relations between axisymmetric and plane states of stress;Aleksandrov;PMM,1961
4. Tables of Integrals, Sums, Series and Products;Gradstein,1962
5. Boundary Value Problems;Gakhov,1966