TY  - BOOK
AU  - Halmos,Paul R.
TI  - A Hilbert space problem book
T2  - The University series in higher mathematics
AV  - QA322 H33 1967
PY  - 1967///
CY  - Princeton, New Jersey
PB  - D. Van Nostrand
KW  - Espacio de Hilbert
KW  - Problemas, ejercicios, etc
ER  -