By Mathes Ben   in The College Mathematics Journal

ISSN:1931-1346|42|1|60-61

Mathematical Association of America‎(2011)‎

Access to resources Favorite 18.271816

By Dupree Eli   Mathes Ben   in Mathematics Magazine

ISSN:1930-0980|86|5|366-370

Mathematical Association of America‎(2013)‎

Access to resources Favorite 14.617455