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2. A. V. Lykov, Heat and Mass Transfer (Reference Book) [in Russian], Énergiya, Moscow (1972).
3. M. N. Ozisik, Boundary-Value Problems of Heat Conduction, Intern. Textbook Co., Scranton, Pennsylvania, USA (1968).
4. G. A. Grinberg, Selected Problems of the Mathematical Theory of Electrical and Magnetic Phenomena [in Russian], Izd. AN SSSR, Moscow-Leningrad (1948).
5. H. Carslaw and D. Jager, Heat Conduction of Solids [Russian translation], Nauka, Moscow (1964).