TY  - BOOK
AU  - Zill, Dennis G.
AU  - Cullen, Michael R.
TI  - Differential Equations with Boundary Value Problems 
SN  - 0534380026
U1  - 515.35 
PY  - 2001///
CY  - Australia : 
PB  - Brooks/Cole, 
KW  - Boundary Value Problems
KW  - Differential Equations
N1  - NY
UR  - https://eaklibrary.neduet.edu.pk:8443/catalog/bk/books/toc/0-534-38002-6.pdf
ER  -