\section{Code Distribution\label{sec:distribution}}
\markboth{\textsc{AMG4PSBLAS User's and Reference Guide}}
         {\textsc{\ref{sec:distribution} Code Distribution}}

\noindent
AMG4PSBLAS is available from the web site
\begin{quotation}
\href{https://psctoolkit.github.io/products/amg4psblas/}{https://psctoolkit.github.io/products/amg4psblas/}
\end{quotation}
where contact points for further information can be also found.

The software is available under a modified BSD license, as specified
in Appendix~\ref{sec:license}; please note that some of the optional
third party libraries may be licensed under a different and more
stringent license, most notably the GPL, and this should be taken into
account when treating derived works.

The library defines a version string with the
constant
\[ \verb|amg_version_string_|\]
whose current value is \verb|1.0|.

\subsection*{Contributors}
\begin{itemize}
\item Pasqua D'Ambra, IAC-CNR, IT;			
\item Fabio Durastante, University of Pisa and IAC-CNR, IT;
\item Salvatore  Filippone, University of Rome Tor-Vergata and IAC-CNR, IT;				
\end{itemize}