Open Problem Garden - square of a graph - Comments http://openproblemgarden.org/category/square_of_a_graph Comments for "square of a graph" en square of a graph http://openproblemgarden.org/category/square_of_a_graph <br /> http://openproblemgarden.org/category/square_of_a_graph#comment Sat, 31 Aug 2013 19:11:01 +0200 56543 at http://openproblemgarden.org