TY  - BOOK
AU  - Grewal, B.S.
AU  - Grewal, J.S.
AU  - Dhanoa,J.K.
TI  - Higher Engineering mathematics 
SN  - 9788174091955
U1  - 510.2462/GRE/H 
PY  - 2015///
CY  - New Delhi
PB  - Khanna Publishers
ER  -