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diff --git a/src/input/intdeq.input.pamphlet b/src/input/intdeq.input.pamphlet
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+++ b/src/input/intdeq.input.pamphlet
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+\documentclass{article}
+\usepackage{axiom}
+\begin{document}
+\title{\$SPAD/src/input intdeq.input}
+\author{The Axiom Team}
+\maketitle
+\begin{abstract}
+\end{abstract}
+\eject
+\tableofcontents
+\eject
+\section{License}
+<<license>>=
+--Copyright The Numerical Algorithms Group Limited 1994.
+@
+<<*>>=
+<<license>>
+)clear all
+y := operator y
+deq := differentiate(y x, x, 2) + 2*w[0]*differentiate(y x, x) + w[0]**2*y x
+sol:= solve(deq = sin (w*x), y, x=0,[0,0])
+work:= sol *sin(w*x)
+integrate(work,x)
+D(%,x)-work
+simplify %
+
+@
+\eject
+\begin{thebibliography}{99}
+\bibitem{1} nothing
+\end{thebibliography}
+\end{document}