TY  - BOOK
AU  - Powers,David L.
TI  - Boundary value problems: and partial differential equations 
SN  - 0125637381
AV  - QA379  .P68 2006
PY  - 2006///
CY  - Amsterdam
PB  - Elsevier
KW  - Boundary value problems
KW  - Textbooks
KW  - Differential equations, Partial
ER  -