The nine-point circle obtained by methods of projective geometry.
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Publication:1468854
DOI10.2307/2972869zbMath46.0915.03OpenAlexW4244122102MaRDI QIDQ1468854
Publication date: 1918
Published in: American Mathematical Monthly (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.2307/2972869
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