By Keef Patrick W.   in Communications in Algebra

ISSN:0092-7872|41|10|3949-3968

Taylor & Francis Ltd‎(2013)‎

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By Clifton Cody   Guichard David   Keef Patrick   in Mathematics Magazine

ISSN:1930-0980|84|2|137-140

Mathematical Association of America‎(2011)‎

Access to resources Favorite 11.492415