Sub Articulo 132.1

Here is what I use to produce a set of axes for -5 < x < 5 and -5 < y <
5:
\begin{picture}(165,165)
\multiput(0,0)(15,0){11}{\line(0,1){150}}
\multiput(0,0)(0,15){11}{\line(1,0){150}}
\put(73,154){$y$}
\put(153,73){$x$}
\thicklines
\put(75,0){\vector(0,1){150}}
\put(0,75){\vector(1,0){150}}
\end{picture}