Magic squares by reversion.
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Publication:1480091
zbMath43.0307.11MaRDI QIDQ1480091
Publication date: 1912
This page was built for publication: Magic squares by reversion.
zbMath43.0307.11MaRDI QIDQ1480091
Publication date: 1912
This page was built for publication: Magic squares by reversion.