TY  - BOOK
AU  - Zachmanoglou,E C   .
TI  - Introduction to partial differential equations with applications / 
SN  - 0486652513
U1  - 515.353 
PY  - 1976///
CY  - New  York : 
PB  - Dover Publication , 
KW  - DIFFERENTIAL EQUATION
N1  - Includes index, bibliography
ER  -