TY  - BOOK
AU  - DasB.C.
AU  - Mukherjee B.N.
TI  - Differential calculus 
U1  - 515.3 
PY  - 1986///
CY  - Kolkata
PB  - U.N.Dhur &sons
KW  - Mathematics
KW  - Calculus
ER  -