Copyright Notice¶

Copyright (C) Andrea Marino. Permission is granted to copy, distribute

and/or modify this document under the terms of the GNU Free Documentation

License, Version 1.3 or any later version published by the Free Software

Foundation; with Invariant Sections being Forward, Prefaces, and

Contributor List, no Front-Cover Texts, and no Back-Cover Texts. A copy of

the license is included in the section entitled “GNU Free Documentation

License”.