TY  - BOOK
AU  - B.C Das ,B.N Mukherjee
AU  - B.C Das ,B.N Mukkherjee
TI  - Differential Calculus 
SN  - 81-85624-85-0
U1  - 515.33/ D2601d/ 2004 
PY  - 2004///
CY  - Culcutta 
PB  - UN.Dheer & Sons 
KW  - Mathematics
ER  -