TY  - BOOK
AU  - Fedoryuk, M V., ed
TI  - Partial differential equations V: Asymptotic methods for partial differential equations
T2  - Encyclopaedia of mathematical sciences
SN  - 9783540533719
U1  - 515.353 
PY  - 1999///
CY  - Berlin
PB  - Springer
ER  -