TY  - BOOK
AU  - Das,B.C
TI  - Integral calculus
SN  - 81-219-0236-3
U1  - 515.4 
PY  - 1989///
CY  - New Delhi
PB  - S.Chand
KW  - Calculas
KW  - Integral calculas
KW  - Integration methods
ER  -