On the equation \(t^2 Du^2 = 1.\) First note.
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Publication:1539885
zbMath19.0183.02MaRDI QIDQ1539885
Publication date: 1887
Published in: Journal für die Reine und Angewandte Mathematik (Search for Journal in Brave)
Full work available at URL: https://www.digizeitschriften.de/dms/resolveppn/?PPN=GDZPPN002160579
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