TY  - BOOK
AU  - Perko,Lawrence
TI  - Differential equations and dynamic systems
SN  - 0387951164 :
AV  - QA372 .P47 2001
PY  - 2001///
CY  - New York
PB  - Springer-Verlag
KW  - Differential equations, Nonlinear
KW  - Differentiable dynamical systems
ER  -