By Starrett John   in American Mathematical Monthly

ISSN:1930-0972|114|9|778-792

Mathematical Association of America‎(2007)‎

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By Starrett John   in Dynamical Systems: An International Journal

ISSN:1468-9375|27|2|187-196

Taylor & Francis Ltd‎(2012)‎

Access to resources Favorite 17.018044