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\begin{document}

\title{Introduction to Partial Differential Equations}
\author{Homework 6}
\date{due April 11, 2013}
\maketitle

\begin{enumerate}
\item Evans, p.~88 problem 15
\item Evans, p.~88 problem 16
\item Evans, p.~88 problem 17
\item Evans, p.~89 problem 18

\end{enumerate}


\end{document}

