<P>Now, it is ok.</P>
<P>error </P>
<P><FONT face="Microsoft Sans Serif" size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 'Microsoft Sans Serif'"> </SPAN></FONT><FONT face="Microsoft Sans Serif" size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 'Microsoft Sans Serif'">>>>>\pagestyle{empty} pagestyle{empty}<?XML:NAMESPACE PREFIX = O /><O:P></O:P></SPAN></FONT></P>
<P class=MsoNormal>
<P class=MsoNormal><FONT face="Microsoft Sans Serif" size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 'Microsoft Sans Serif'"></SPAN></FONT></P>-------------------</P>
<P>\documentclass[12pt]{article}<BR>\usepackage{pst-plot}<BR>\usepackage{pst-3dplot}<BR>\usepackage{bm}% boldmath<BR>\usepackage{pst-node}<BR>\usepackage{pstricks}<BR>\usepackage{pstricks-add}<BR>\makeatletter<BR>\def\psRotation#1(#2,#3)#4{%<BR> \rput{#1}(#2,#3){%<BR> \psellipticarc[linewidth=.4pt]{->}(0,-0.1)(0.6,0.15){120}{70}<BR> \ifdim#1pt>\z@\rput[l]{*0}(0.675,0){#4}\else\rput[l](0.675,0){#4}\fi<BR> }%<BR>} \makeatother<BR>\psset{xunit=3cm,yunit=3cm}<BR>\pagestyle{empty}<BR>\parindent=0pt<BR>\begin{document}<BR>\begin{pspicture}(-3,-.5)(2.,2)<BR>\pscustom[linewidth=1pt,fillstyle=solid,fillcolor=--olive!30]{}<BR>\psellipse[fillstyle=solid,fillcolor=lightgray!20,linestyle=dashed](-1,.5)(145pt,25pt)<BR>\psellipse[fillstyle=solid](-1,.5)(105pt,12pt)<BR>\psaxes [ticks=none]{->}(0,0)(-3,-.5)(1.5,1.5)<BR>\psplot[linewidth=1pt,algebraic,linecolor=red]{0}{1.4}{x^(.5)}<BR>\psplot[linewidth=1pt,algebraic,linecolor=blue]{0}{1.2}{x^(2)}<BR>\psline[linecolor=black,linestyle=dashed](-1,-.2)(-1,1.5)<BR>\psbrace[linecolor=blue,ref=Cr,rot=90](0,.8)(-1,.8){}<BR>%\psbrace[linecolor=blue,ref=Cr,rot=90](-1,.8)(-2.2,.8){}<BR>%\psbrace[linecolor=blue,ref=Cr,rot=90](-1,1.1)(-2.8,1.1){}<BR>%\psbrace[linecolor=blue,ref=Cr](-1,.5)(-1,0){}<BR>\rput(-1.3,.25) { {$y$}}<BR>\rput(1.1,.9) { $(1,1) $}<BR>{\psset{xunit=1cm,yunit=1cm}\psRotation{180}(-3,4){}}<BR> \rput(-1.5,1) { $r_{\textmd{in}}=1+y^{2}$}<BR> \rput(-.5,1) { $1$}<BR> \rput(-2,1.4) { $r_{\textmd{out}}=1+y^{1/3}$}<BR> \rput(-1,-.3) { $x=-1$}<BR>\psline[linewidth=.1cm,linecolor=yellow](-1,.5)(.7,.5)<BR> \rput(.5,1) { $x=y^{2}$}<BR>\rput(1,.5) { $x=y^{1/3}$} \rput(-.1,1.2) { $y$} \rput(1.3,-.1) {$x$}<BR>\psdots[linecolor=black,dotscale=1, dotstyle=*](.25,.5)</P>
<P>\psdots[linecolor=black,dotscale=1, dotstyle=*](.7,.5)<BR>\end{pspicture}<BR>\end{document}</P>
<P>bye</P>
<P>Max</P>
<P> </P><P><BR>____________________________________________________________<BR>ADSL 4 MB FLAT<BR>La tua ADSL a € 19.95.<BR>GRATIS 2 mesi di canone e l'attivazione!<BR><a target='_blank' href="http://abbonati.tiscali.it/adsl/prodotti/dem/tc/4flat/"><FONT color=#3366ff><STRONG>Scopri come</STRONG></FONT></a> </P>