This is TeX, Version 3.141592 (Web2C 7.5.4) (format=tex 2007.8.30)  3 OCT 2007 09:30
**\nonstopmode\input getd2-2007.tex
(./getd2-2007.tex [1]
! Undefined control sequence.
l.137 ...et un unique point fixe ; c'est son \emph
                                                  {centre}.
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.

[2] [3]
! Undefined control sequence.
l.277 ... Comparer les homoth\'eties $h_1 \circ \h
                                                  _2$ et $h_2 \circ h_1$ et ...
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.

[4] )
Output written on getd2-2007.dvi (4 pages, 16200 bytes).