Open Problem Garden - irrational - Comments http://www.openproblemgarden.org/category/irrational Comments for "irrational" en irrational http://www.openproblemgarden.org/category/irrational <br /> http://www.openproblemgarden.org/category/irrational#comment Tue, 19 Jul 2011 19:26:32 +0200 37334 at http://www.openproblemgarden.org