1. Exakte Lösungen der Differentialgleichungen einer adiabatischen Gasströmung;Ringleb;ZAMM,1940
2. Some exact solutions of two-dimensional flows of compressible fluid with hodograph method;Chang;NACA TN 2885,1953
3. On gas jets;Chaplygin;NACA TM 1063,1944
4. Design and analysis of a hodograph method for the calculation of supercritical shock-free aerofoils;Beorstoel;NLR TR 77046U,1977
5. Flow of a compressible flow about a cylinder;Cherry,1947