TY  - BOOK
AU  - Froman,N & Froman,P.O
ED  - Froman, P.O
TI  - Phase-integral method: allowing nearlying transition points
T2  - Springer tracts in natural philosophy 40
SN  - 9780387945200
U1  - 13.04+13.07+4.04 
PY  - 1996///
CY  - New York
PB  - Springer
ER  -