TY  - BOOK
AU  - Powers David L
TI  - Boundary value problems and partial differential equations
SN  - 978-0-12-374719-8
U1  - 515.35 
PY  - 2010///
CY  - Amsterdam
PB  - Elsevier
KW  - Boundary value problems
KW  - Partial differential equations
ER  -