00859nam0-22003011i-450-990001124990403321000112499FED01000112499(Aleph)000112499FED0100011249920000920d1984----km-y0itay50------baengApproximation of Hilbert space operatorsby Apostol,Fialkow,Herrero and Voiculescu.LondonPitman1984Research notes in mathematics102II Vol.Apostol,C.54073Fialkow,L.A.Herrero,Domingo A.Voiculescu,DanITUNINARICAUNIMARCBK990001124990403321C-2-(102299MA1MA1Approximation of Hilbert space operators83304UNINAING01