<p>The CerCo project is a FET Open IST project funded by the EU
community in the 7th Framework Programme. More informations on the
project and the code of the Matita formalization can be found
- on the <a href="cerco.cs.unibo.it">CerCo Web site</a>
+ on the <a href="http://cerco.cs.unibo.it">CerCo Web site</a>
</p>
<h2>The Basic Picture<a name="sambin"></a></h2>