TY  - BOOK
AU  - Ahsan, Zafar
TI  - Differential equations and their applications
SN  - 9788120325234
U1  - 515.35 
PY  - 2013///
CY  - Delhi
PB  - PHI
KW  - Mathematics
KW  - Differential Equations
KW  - Calculus
ER  -