By Beardon Alan F.   in American Mathematical Monthly

ISSN:1930-0972|118|7|650-652

Mathematical Association of America‎(2011)‎

Access to resources Favorite 18.81717

By Beardon Alan F.   in Mathematics Magazine

ISSN:1930-0980|88|4|272-277

Mathematical Association of America‎(2015)‎

Access to resources Favorite 18.81717

By Beardon Alan F.   Short Ian   in American Mathematical Monthly

ISSN:1930-0972|121|5|391-402

Mathematical Association of America‎(2014)‎

Access to resources Favorite 15.272658