Ando, T. Operators with a norm condition. (English) Zbl 0244.47021 Acta Sci. Math. 33, 169-178 (1972). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 3 ReviewsCited in 46 Documents MSC: 47B15 Hermitian and normal operators (spectral measures, functional calculus, etc.) 47B20 Subnormal operators, hyponormal operators, etc. PDFBibTeX XMLCite \textit{T. Ando}, Acta Sci. Math. 33, 169--178 (1972; Zbl 0244.47021)