1
Introduction to quantum mechanics /
Book
Subject (ZB): ...WKB approximation...
Table of Contents 
2
Physical problems solved by the phase-integral method / [E-Book]
3
Physical Problems Solved by the Phase-Integral Method [E-Book] /
4
Reviews of plasma physics. 19.
Book
Subject (ZB): ...WKB approximation...
5
Introduction to perturbation methods.
Book
Subject (ZB): ...WKB approximation...
6
The quantum theory of motion : an account of the de Broglie-Bohm causal interpretation of quantum mechanics /
Book
7
Contact geometry and linear differential equations / [E-Book]
8
Techniques and applications of path integration /
Book
Subject (ZB): ...WKB approximation...