TY  - BOOK
AU  - Istra tescu,Vasile I.
TI  - Introduction to linear operator theory
SN  - 0824768965
PY  - 1981///
CY  - New York
PB  - M. Dekker
KW  - Linear operators
KW  - Hilbert space
KW  - Banach spaces
N1  - Includes indexes; Bibliography: p. 553-572
ER  -