TY  - BOOK
AU  - Bender,Carl M
AU  - Orszag,Steven A
TI  - Advanced mathematical methods for scientists and engineers 
SN  - 9780387989310 (HB)
PY  - 1999///
CY  - New York 
PB  - Springer
KW  - Differential equations
KW  - Difference equations
KW  - Engineering mathematics
KW  - Science
N1  - Originally published: New York : McGraw-Hill, c1978; Includes bibliographical references and index; 1. Asymptotic methods and perturbation theory
ER  -