TY  - GEN
AU  - Zill,Dennis G.
AU  - Cullen,Michael R.
TI  - Differential equations with boundary-value problems
SN  - 0534931588
U1  - 515.353 
PY  - 1993///
CY  - Islamabad
PB  - National Book Foundations
KW  - Boundary value problems
KW  - Differential equations
N1  - Includes index
ER  -