1. N. M. Belyaev and A. A. Ryadno, Methods of the Theory of Heat Conduction: A Manual for Higher Schools [in Russian], Vysshaya Shkola, Moscow (1982).
2. A. A. Berezovskii, Lectures on Nonlinear Boundary-Value Problems of Mathematical Physics [in Russian], Naukova Dumka, Kiev (1976).
3. L. A. Kozdoba, Methods for the Solution of Nonlinear Problems of Heat Conduction [in Russian], Nauka, Moscow (1975).
4. Yu. M. Kolyano, Methods of Heat Conduction and Thermoelasticity for Inhomogeneous Bodies [in Russian], Naukova Dumka, Kiev (1992).
5. V. A. Lomakin, Theory of Elasticity of Inhomogeneous Bodies [in Russian], Moscow State University, Moscow (1976).