On Normal Operators in Hilbert Space
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Publication:5804457
DOI10.2307/2372180zbMath0042.34501OpenAlexW2329515788MaRDI QIDQ5804457
Publication date: 1951
Published in: American Journal of Mathematics (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.2307/2372180
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