TY  - BOOK
AU  - Verhulst , Ferdinand  .
TI  - Methods and applications of singular perturbations: boundary layers and multiple timescale dynamics / 
SN  - 0-387-22966-3
U1  - B 
PY  - 2005///
CY  - New York : 
PB  - Springer-Verlag , 
KW  - Singular perturbations
ER  -