TY  - BOOK
AU  - Boyce, W
TI  - Elementry differential equations and boundary value problems.9 th.ed
SN  - 978-81-265-2155-5
U1  - 516 
PY  - 2009///
CY  - New Delhi
PB  - John-Wiley&Son
KW  - Applied Secience Humanities
ER  -