TY  - BOOK
AU  - Zill,Dennis G.
AU  - Cullen,Michael R.
TI  - Differential Equations: With boundary value problems
SN  - 9780495108368
U1  - 515.35 
PY  - 2009///
CY  - USA
PB  - Cengage learning
KW  - Differential Equation
KW  - Mathematics
N1  - Includes Bibliography
ER  -