TY  - BOOK
AU  - Perko,Lawrence
AU  - 
ED  - 
ED  - 
ED  - 
TI  - Differential equations and dynamical systems
SN  - 9788181281838
U1  - 515.355 
PY  - 2015///
CY  - New York
PB  - Springer
KW  - 
KW  - Mathematics
ER  -