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2. V. V. Moskvitin, Resistance of Viscoelastic Materials [in Russian], Nauka, Moscow (1972).
3. A. A. Ilyushin, “Approximation approach to the design calculations by thermal viscoelasticity theory,” Mekh. Polim., No. 2 (1968).
4. B. Z. Amusin and A. M. Lin’kov, “Application of variable modules to solve one class problems on linear hereditary creeping,” Mekh. Tverd. Tela, No. 6 (1974).
5. O. C. Zienkiewicz, The Finite Element Method in Engineering [in Russian], Mir, Moscow (1975).