TY  - BOOK
AU  - B.C. Das & B.N. Mukherjee
AU  - B.C. Das & B.N. Mukherjee
TI  - Differential Calculus
U1  - 515.38/D229d 
PY  - 1997///,2009
CY  - Calcutta
PB  - U.N.Dhur & Sons
ER  -