Putnam, C. R. On normal operators in Hilbert space. (English) Zbl 0042.34501 Am. J. Math. 73, 357-362 (1951). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 2 ReviewsCited in 65 Documents Keywords:functional analysis PDFBibTeX XMLCite \textit{C. R. Putnam}, Am. J. Math. 73, 357--362 (1951; Zbl 0042.34501) Full Text: DOI