TY  - BOOK
AU  - Halmos,Paul Richard
TI  - A Hilberrt space problem book. / 
U1  - 513.82 
PY  - 1967///]
CY  - Princeton, N. J.: 
PB  - Van Nostrand , 
KW  - Hilbert space
N1  -  Includes bibliographical references ( p. 352-357.)
ER  -