1. Hydrodynamics;Lamb,1945
2. Supersonic Flow and Shock Waves;Courant,1948
3. Compressibility effects in aerodynamics;von Karman;J. Aeronaut. Sci.,1941
4. On supersonic and partially supersonic flows;Bergman,1946
5. Two-Dimensional Compressible Flows;Opatowski,1949