TY  - BOOK
AU  - Das, B. C. ,
TI  - Integral  Calculus  including  Diffrential  Equations
U1  - 515.4 
PY  - 1992///
CY  - Calcutta
PB  - U. N. Dhur  &  Sons  Private  Limited
KW  -  .Mathematics.,
ER  -