00671nam0-22002531i-450-990001140570403321000114057FED01000114057(Aleph)000114057FED0100011405720000920d1981----km-y0itay50------baengSubnormal Operatorsby ConwayBoston [etc.]Pitman1981Research notes in mathematics51Conway,John B.41656ITUNINARICAUNIMARCBK990001140570403321C-2-(5121077MA1MA1Subnormal Operators344185UNINAING01