TY  - BOOK
AU  - Froman Nanny
AU  - Froman Per Olof
TI  - Physical problems solved by the phase-integral method
SN  - 0-521-81209-7
U1  - 530.15 
PY  - 2002///
CY  - Cambridge
PB  - CUP
KW  - Mathematical physics
KW  - Phase-integral method
ER  -