By Suzuki Jeff   in American Mathematical Monthly

ISSN:1930-0972|113|8|705-714

Mathematical Association of America‎(2006)‎

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By Suzuki Jeff   in Mathematics Magazine

ISSN:1930-0980|81|1|27-38

Mathematical Association of America‎(2008)‎

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By Suzuki Jeff   in The College Mathematics Journal

ISSN:1931-1346|45|5|338-348

Mathematical Association of America‎(2014)‎

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