On characterizations of projection operators
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Publication:3283155
DOI10.3792/PJA/1195524054zbMath0101.09201OpenAlexW2003640222MaRDI QIDQ3283155
Publication date: 1960
Published in: Proceedings of the Japan Academy, Series A, Mathematical Sciences (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.3792/pja/1195524054
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