TY  - BOOK
AU  - HILLEN, T
AU  - LEONARD, I. e.
AU  - ROESSEL,H. Van
TI  - Partial Differential Equation: theory and completely solved problems
SN  - 9781118063309
U1  - 515.353 
PY  - 2012///
CY  - New Jersey
PB  - Wiley
KW  - Differential equations, Partial
N1  - Includes Bibliographical reference and index
ER  -