TY  - BOOK
AU  - O'Neil 
TI  - Beginning partial differential equations 
SN  - 0471238872 
U1  - 515.353 ONE 1999 
PY  - 1999///
CY  - New York
PB  - John Wiley & Sons, Inc.
KW  - Differential equations. Partial
N1  - A Wiley-Interscience publication; Includes index
ER  -