TY  - BOOK
AU  - Brauer, Fred. 
AU  - Nohel,  John A. 
TI  - Qualitative Theory of Ordinary Differential Equations: An Introduction
SN  - 9780486658469
U1  - 517.382 
PY  - 1989///
CY  - New York
PB  - Dover Publications
KW  - Differential equations
ER  -