TY  - BOOK
AU  - Gustafson,Karl E.
TI  - Introduction to partial differential equations and Hilbert space methods
SN  - 0471832278
PY  - 1980///
CY  - New York, N.Y.
PB  - John Wiley & Sons
KW  - Differential equations, Partial
KW  - Hilbert space
ER  -