Introduction to phase-integral methods /

Eitemau Tebyg

• Introduction to phase-integral methods
  gan: Heading, J
  Cyhoeddwyd: (1962)
• An introduction to phase-integral methods.
  gan: Heading, John
  Cyhoeddwyd: (1962)
• Elementary introduction to the methods of pure projective geometry /
  gan: Heading, J.
  Cyhoeddwyd: (1958)
• Physical Problems Solved by the Phase-Integral Method
  Cyhoeddwyd: (2002)
• Physical problems solved by the phase integral method
  gan: Froman, Nanny
  Cyhoeddwyd: (2002)