TY  - BOOK
AU  - Jordan D W
AU  - Smith P
TI  - Nonlinear ordinary differential equations: an introduction to dynamical systems
SN  - 0-19-856562-3
U1  - 515.352 
PY  - 2003///
CY  - Oxford
PB  - OUP
KW  - Nonlinear differential equations
ER  -