TY  - BOOK
AU  - Johnson, R.S
TI  - Singular perturbation theory: Mathematical and analytical te
SN  - 0-387-23200-1
U1  - 515.35/JOH 
PY  - 2005///
CY  - New York
PB  - Springer-Verlag
KW  - Engineering mathematics
KW  - Perturbation (Mathematics)
KW  - Mathematics
ER  -