TY  - BOOK
AU  - Gupta, P. P. 
AU  - Mittal S.K. 
TI  - Differential equations
SN  - 9789386633071
U1  - 515.353 
PY  - 2017///
CY  - Meerut
PB  - Pragati Prakashan
KW  - Mathematics
KW  - Differential equations
ER  -