TY  - BOOK
AU  - Duchateau, Paul
AU  - Zachmann, David W
TI  - Theory and Problems of Partial Differential Equations
SN  - 9780070604810
U1  - 515.353 
PY  - 2007///
CY  - New Delhi
PB  - Tata McGraw-Hill Publishing Company Ltd.
ER  -