TY  - BOOK
AU  - Edwards, C. Henry
AU  - Calvis, David
AU  - Penney, David E.
TI  - Elementary Differential Equations 
SN  - 9780136033929
U1  - 515.35 
PY  - 2008///
CY  - Upper Saddle River, Nj : 
PB  - Pearson Prentice Hall, 
KW  - Differential Equations
KW  - Differential Equations Computer Programs
N1  - YY
UR  - https://eaklibrary.neduet.edu.pk:8443/catalog/bk/books/toc/978-0-13-603392-9.pdf
ER  -