An inequality for the reduced wave operator and the justification of geometrical optics

This publication has 6 references indexed in Scilit:

• Uniform Asymptotic Expansion of the Field Scattered by a Convex Object at High Frequencies
  Communications on Pure and Applied Mathematics, 1967
• High-frequency scattering by finite convex regions
  Communications on Pure and Applied Mathematics, 1966
• Geometrical Theory of Diffraction*
  Journal of the Optical Society of America, 1962
• The limiting amplitude principle
  Communications on Pure and Applied Mathematics, 1962
• On solutions of the Helmholtz equation in exterior domains
  Mathematische Zeitschrift, 1961
• Asymptotic solution of some diffraction problems
  Communications on Pure and Applied Mathematics, 1956