TY  - BOOK
AU  - Boyce, Willam E.
AU  - Diprima, Richard C.
TI  - Elementary differential equations and boundary value problems [9th ed.]
SN  - 9788126521555
U1  - 515.35 
PY  - 2009///
CY  - New Delhi
PB  - Wiley-India
KW  - Mathematics
ER  -