1. A. A. Il'yushln and B. E. Pobedrya, Fundamental Mathematical Theory of Thermoviscoelasticity [in Russian], Moscow (1970).
2. C. J. Morgan and J. M. Ward, ?The temperature dependence of nonlinear creep and recovery in oriented polypropylene,? J. Mech. Phys. Solids,19, No. 4, 165?178 (1971).
3. V. N. Efimova and R. D. Maksimov, ?Comparative analysis of the temperature-time dependence of deformability parameters characterizing polyvinyl chloride in the linear and the nonlinear ranges of viscoelasticity,? Mekh. Polim., No. 2, 213?219 (1977).
4. Yu. S. Urzhumtsev and R. D. Maksimov, Predicting the Deformability of Polymer Materials [in Russian], Riga (1975).
5. R. D. Maksimov, Ch. L. Daugste, and E. A. Sokolov, ?Anomalies in maintenance of temperature-time analogy during physically nonlinear creep of a polymer material,? Mekh. Polim., No. 3, 415?426 (1974).