The dilus problem
http://www.scribd.com/doc/10967452/Unsolved-Problems-Mathematics-the-Dilus-Problem
How to separate an angle to three equals
http://www.scribd.com/doc/3709065/Mathematics-How-to-seperate-an-angle-to-three-equals
The Riemann Hypothesis
http://www.claymath.org/millennium/Riemann_Hypothesis/