By Bak Joseph   in Mathematics Magazine

ISSN:1930-0980|80|3|183-195

Mathematical Association of America‎(2007)‎

Access to resources Favorite 16.090515

By Bak Joseph   Ding Pisheng   in American Mathematical Monthly

ISSN:1930-0972|116|2|143-150

Mathematical Association of America‎(2009)‎

Access to resources Favorite 12.872414

By Bak Joseph   Ding Pisheng   Newman Donald   in American Mathematical Monthly

ISSN:1930-0972|114|6|540-546

Mathematical Association of America‎(2007)‎

Access to resources Favorite 9.65431