1. A technique for rendering approximate solutions to physical problems uniformly valid;Lighthill;Phil. Mag.,1949
2. The flow pattern of a supersonic projectile;Whitham;Comm. Pure and Appl. Math.,1952
3. The breakdown of the hodograph transformation for irrotational compressible fluid flow in two dimensions;Craggs;Proc. Camb. Phil. Soc.,1948
4. A plane wing with sharp edges in a supersonic stream;Donov;Izvestia Akademia Nauk U.S.S.R. Serie Mathematique,1939
5. On waves of finite amplitude in ducts;Meyer;Quart. J. Mech. Appl. Math.,1952