TY  - BOOK
AU  - Drazin P G
TI  - Nonlinear systems
T2  - Cambridge texts in applied mathematics
SN  - 0521406684:pbk
U1  - B33,2, N2 
PY  - 1992///
CY  - New York    
PB  -  Cambridge University Press      
KW  -  Differential Equations
KW  -  Nonlinear
KW  - Mathematics
ER  -