TY  - BOOK
AU  - Das, B.C. 
AU  - Mukherjee, B.N. 
TI  - Differential calculus
SN  - 9789380673448
U1  - 515.33 
PY  - 2017///
CY  - Kolkata
PB  - U.N. Dhur and Sons
KW  - Elementary Function | Partial Differentiation
ER  -