1. K. P. Stanyukovich, Unsteady Motion of a Continuous Medium, Pergamon, London (1960).
2. M. D. Ustinov, ?On the flow of an ideal gas behind a shock wave of finite amplitude?, Izv. Akad. Nauk SSSR, Mekhan. Zhidk. i Gaza, No, 1 (1967).
3. M. D. Ustinov, ?Transformation of and some solutions of the equations of motion of an ideal gas?, Izv. Akad. Nauk SSSR, Mekhan. Zhidk. i Gaza, No. 3 (1966).
4. L. I. Sedov, ?On the integration of the one-dimensional gas motion equations?, Dokl. Akad, Nauk SSSR,90, No. 5 (1953).
5. B. L. Rozhdestvenskii and N. N. Yanenko, Systems of Quasilinear Equations and Their Applications in Gas Dynamics [in Russian], Nauka, Moscow (1968).