TY  - BOOK
AU  - Gustafson,Karl E., x
AU  - x
TI  - Introduction to prtial differential equations and hilbert space methods: x
SN  - 0471532275
U1  - 515.353/G982i 
PY  - 1987///
CY  - New York ; Toronto
PB  - Wiley
KW  - Calculus
N1  - Includes
ER  -