TY  - BOOK
AU  - Fuhrmann, Paul A..
TI  - Linear Systems and Operators in Hilbert Space / 
SN  - 0-07-022589-3
U1  - B313N 
PY  - 1984///
CY  - New York : 
PB  - McGraw-Hill International Book Company , 
KW  - Mathematics <Linear Systems>
ER  -