TY  - BOOK
AU  - Keener,James P.
TI  - Principles of applied mathematics: transformation and approximation 
SN  - 0201156741 
PY  - 1988///
CY  - Reading, Mass.
PB  - Addison Wesley, Advanced Book Program
KW  - Transformations (Mathematics)
KW  - Asymptotic expansions
ER  -