TY  - BOOK
AU  - Datta,B.K.
TI  - Introduction to partial Differential equations
U1  - 515.3 
PY  - 1993///
CY  - Kolkata
PB  - New Central Book Agency
KW  - Mathematics
KW  - Analysis
KW  - Differential Calculus
N1  - include Index
ER  -