TY  - GEN
AU  - Perko, Lawrence
TI  - Differential equations and dynamical systems - 3rd ed
SN  - 9788181281838(pb)
U1  - 515.35 PER/Dif 
PY  - 2014///
CY  - New Delhi
PB  - Springer (I) Pvt. Ltd
N1  - Includes references and index
ER  -