TY  - GEN
AU  - Apostol, Constantin
TI  - Approximation of Hilbert space operators, Vol.2
T2  - Research Notes in Mathematics, 102
SN  - 0273086413
U1  - 515.733 
PY  - 1984///
CY  - Boston
PB  - Pitman
KW  - ANALYSIS
KW  - FUNCTIONAL ANALYSIS
KW  - HILBERT SPACES
KW  - MATHEMATICS
KW  - TOPOLOGICAL VECTOR SPACES
ER  -