TY  - BOOK
AU  - Zill,Dennis G.
AU  - Cullen,Michael R.
TI  - Differential equations with boundary-value problems
SN  - 0534931588
U1  - 515.35 
PY  - 1993///
CY  - Islamabad
PB  - National Book Foundation
KW  - Differential equations
KW  - Boundary value problems
N1  - Includes index
UR  - http://www.loc.gov/catdir/enhancements/fy1515/92017344-b.html
UR  - http://www.loc.gov/catdir/enhancements/fy1515/92017344-d.html
ER  -