Beitrag zur Fokaltheorie der linearen Strahlenkongruenzen.
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Publication:1477452
DOI10.1007/BF01455348zbMath44.0619.03MaRDI QIDQ1477452
Publication date: 1913
Published in: Mathematische Annalen (Search for Journal in Brave)
Full work available at URL: https://eudml.org/doc/158625
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