Re: problema con documentclass book e abstract

Ecco la soluzione
`\usepackage{fancyhdr}
\pagestyle{empty}

\newenvironment{abstract}%
{\cleardoublepage\null \vfill\begin{center}%
\bfseries \abstractname \end{center}}%
{\vfill\null}

…
\begin{document}

…

\begin{abstract}
…
\end{abstract}

…

\fncyfront
\tableofcontents

\mainmatter
\pagestyle{fancy}
\fncymain

\end{document}`