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%% Der LaTeX-Begleiter, zweite Auflage (September 2005)
%%
%% Beispiel 8-2-20 von Seite 490.
%%
%% Copyright (C) 2005 Frank Mittelbach, Michel Goossens,
%%    Johannes Braams, David Carlisle, and Chris Rowley
%%
%% Uebersetzung: Copyright (C) 2005 Claudia Krysztofiak,
%%    Rebecca Stiels und Frank Mittelbach
%%
%% It may be distributed and/or modified under the conditions
%% of the LaTeX Project Public License, either version 1.3
%% of this license or (at your option) any later version.
%%
%% See http://www.latex-project.org/lppl.txt for details.
%%

\documentclass{lb2examargin}
\pagestyle{empty}
\setcounter{page}{6}
\setlength\textwidth{318.67087pt}

\StartShownPreambleCommands
\usepackage{amsmath,bm}
\newenvironment{rcase}{\left.\begin{aligned}}
                      {\end{aligned}\right\rbrace}
\StopShownPreambleCommands
\begin{document}
\begin{equation*}
 \begin{rcase}  \bm{B}' &amp;=-c\nabla\times\bm{E}              \\
                \bm{E}' &amp;=c\nabla\times\bm{B} - 4\pi\bm{J}\,
 \end{rcase}   \quad     \text{Maxwell'sche Gleichungen}
\end{equation*}
\end{document}
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