TY  - BOOK
AU  - Williamson, Richard E.
TI  - Introduction to differential equations and dynamical systems
SN  - 0070705941
U1  - 515.35 N6 
PY  - 1996///
CY  - New York
PB  - Tata Mcgraw Hill
KW  - Differential equations
KW  - Differential dynamical systems
ER  -