TY  - BOOK
AU  - Verhulst,,F.
TI  - Asymptotic analysis: from theory to application 
T2  - Lecture notes in mathematics
SN  - 3540092455 (paperback)
U1  - 515.35 22
PY  - 2009///
CY  - [S.l.] 
PB  - Springer
KW  - Differential equations--Asymptotic theory
KW  - Mathematics
KW  - Perturbation (Mathematics)
ER  -