TY  - BOOK
AU  - Das, B C ,
TI  - Differential calculus
SN  - 97899380673875
U1  - 515.5 
PY  - 2015///
CY  - Calcutta
PB  - U. N. Dhur & Sons Pvt. Ltd.
KW  - Mathematics
KW  - Differential calculus
KW  - G-Mathematics
ER  -