Converted by
Mathematica
June 17, 2001
![[Graphics:../Images/Pratica7_gr_103.gif]](../Images/Pratica7_gr_103.gif)
![[Graphics:../Images/Pratica7_gr_104.gif]](../Images/Pratica7_gr_104.gif)
![[Graphics:../Images/Pratica7_gr_108.gif]](../Images/Pratica7_gr_108.gif)
![[Graphics:../Images/Pratica7_gr_111.gif]](../Images/Pratica7_gr_111.gif)
![[Graphics:../Images/Pratica7_gr_114.gif]](../Images/Pratica7_gr_114.gif)
![[Graphics:../Images/Pratica7_gr_117.gif]](../Images/Pratica7_gr_117.gif)
![[Graphics:../Images/Pratica7_gr_120.gif]](../Images/Pratica7_gr_120.gif)
![[Graphics:../Images/Pratica7_gr_123.gif]](../Images/Pratica7_gr_123.gif)
![[Graphics:../Images/Pratica7_gr_126.gif]](../Images/Pratica7_gr_126.gif)