-\documentclass[draft]{kluwer}
+\documentclass[]{kluwer}
\usepackage{color}
\usepackage{graphicx}
% \usepackage{amssymb,amsmath}
\end{center}
\end{figure}
+\begin{figure}[t]
+ \begin{center}
+ \includegraphics[width=0.9\textwidth]{libraries.ps}
+ \caption{\MATITA{} libraries}
+ \label{fig:libraries}
+ \end{center}
+\end{figure}
+
\section{Overview of the Architecture}
Fig.~\ref{fig:libraries} shows the architecture of the \emph{libraries} (circle nodes)
and \emph{applications} (squared nodes) developed in the HELM project.
We would like to thank all the students that during the past
five years collaborated in the \HELM{} project and contributed to
the development of Matita, and in particular
-A.~Griggio, F.~Guidi, P.~Di~Lena, L.~Padovani, I.~Schena, M.~Selmi,
+M.~Galat\`a, A.~Griggio, F.~Guidi, P.~Di~Lena, L.~Padovani, I.~Schena, M.~Selmi,
and V.~Tamburrelli.
\theendnotes