TY  - BOOK
AU  - Gustafson, K. E. 
TI  - Introduction to particle diffretial equation and Hilbert space methods
SN  - 9780486612713
U1  - 517.982.22 
PY  - 1999///
CY  - New York 
PB  - Dover
KW  - DEFFERENTIAL EQUATIONS, PARTIAL
KW  - HILBERT SPACE
N1  - Second edition published by John Wiley,1987 and third edition by International Journal service, Calcutta.
ER  -