1. Yu. M. Blitshtein and M. G. Khublaryan, ?Properties of fluid perturbation waves in an infinitely long viscoelastic pipeline,? Izv. Akad. Nauk SSSR, Mekh. Zhidk. Gaza, No. 3 (1975).
2. I. P. Ginzburg, ?Water hammer in pipes made of a viscoelastic material,? Vestn. Leningr. Gos. Univ.,3, No. 13 (1956).
3. R. F. Gromova, ?Water hammer in viscoelastic pipes,? Uch, Zap. Kuibyshev. Ped. Inst., No. 21 (1958).
4. M. A. Lavrent'ev and B. V. Shabat, Methods of the Theory of Function of Complex Variables [in Russian], Nauka, Moscow (1973).
5. Yu. N. Rabotnov, Creep in Structural Members [in Russian], Nauka, Moscow (1965).