1
Physical problems solved by the phase-integral method / [E-Book]
2
Physical Problems Solved by the Phase-Integral Method [E-Book] /
3
Introduction to perturbation methods.
Book
Subject (ZB): ...WKB approximation...
4
Contact geometry and linear differential equations / [E-Book]
5
Techniques and applications of path integration /
Book
Subject (ZB): ...WKB approximation...