TY  - BOOK
AU  - Zill,Dennis G.
TI  - Differential equations
SN  - 9788131509241 (pbk)
U1  - 515.35 
PY  - 2011///, 2009c
CY  - New Delhi
PB  - Cengage Learning Private Limited
KW  - Differential Equations
N1  - Index included
ER  -