TY  - BOOK
AU  - Bender Carl M.
AU  - Steven A.Orszag
TI  - Advanced Mathematical Methods for Scientistsand Engineers I: Asymptotic methods and Perturbation Theory
SN  - 9780387989310
U1  - 515.35 
PY  - 2013///
CY  - New Delhi
PB  - Springer
ER  -