\providecommand{\bysame}{\leavevmode ---\ }
\providecommand{\og}{``}
\providecommand{\fg}{''}
\providecommand{\smfandname}{et}
\providecommand{\smfedsname}{\'eds.}
\providecommand{\smfedname}{\'ed.}
\providecommand{\smfmastersthesisname}{M\'emoire}
\providecommand{\smfphdthesisname}{Th\`ese}
\begin{thebibliography}{10}

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{\scshape R.~de~la Bret{\`e}che} -- {\og Nombre de points de hauteur born\'ee
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{\scshape M.~Brion {\normalfont \smfandname} C.~Procesi} -- {\og Action d'un
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{\scshape J.~W.~Bruce {\normalfont \smfandname} C.~T.~Wall} --
{\og On the classification of cubic surfaces\fg}, 
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\bibitem{CLT}
{\scshape A.~Chambert-Loir {\normalfont \smfandname} Y.~Tschinkel} -- {\og On
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{\scshape J.-L. Colliot-Th{\'e}l{\`e}ne {\normalfont \smfandname} J.-J. Sansuc}
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\bibitem{CSS2}
{\scshape J.-L. Colliot-Th{\'e}l{\`e}ne, J.-J. Sansuc {\normalfont \smfandname}
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\bibitem{CSS}
\bysame , {\og Intersections of two quadrics and {C}h\^atelet surfaces.
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{\scshape D.~A. Cox} -- {\og The homogeneous coordinate ring of a toric
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\bibitem{DH}
{\scshape I.~V. Dolgachev {\normalfont \smfandname} Y.~Hu},
	with an appendix by Nicolas Ressayre -- {\og Variation of
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\bibitem{fulton}
{\scshape W.~Fulton} -- \emph{Introduction to toric varieties}, Annals of
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  1993.

\bibitem{HT1}
{\scshape B.~Hassett {\normalfont \smfandname} Y.~Tschinkel} -- {\og Geometry
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\bibitem{HK}
{\scshape Y.~Hu {\normalfont \smfandname} S.~Keel} -- {\og Mori dream spaces
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\bibitem{Ko}
{\scshape J.~Koll{\'a}r } -- {\og
Singularities of pairs \fg},
\emph{Algebraic geometry---Santa Cruz 1995}, p.~221--287, 
Proc. Sympos. Pure Math., 62, Part 1, 
Amer. Math. Soc., Providence, RI, 1997. 

\bibitem{KM}
{\scshape J.~Koll{\'a}r {\normalfont \smfandname} S.~Mori},
  with the collaboration of C. H.
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  geometry of algebraic varieties}, Cambridge Tracts in Mathematics, vol. 134,
  Cambridge University Press, Cambridge, 1998.

\bibitem{Mus}
{\scshape M. Musta\c t\u a} --
{\og Vanishing theorems on toric varieties \fg},
\emph{Tohoku Math. J. (2)} \textbf{54} (2002), no. 3, p.~451--470.

\bibitem{Peyre}
{\scshape E.~Peyre} -- {\og Terme principal de la fonction z\^eta des hauteurs
  et torseurs universels\fg}, 
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\bibitem{Peyre2}
\bysame , {\og Torseurs universels et m\'ethode du cercle\fg}, 
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  Progr. Math., vol. 199, Birkh\"auser, Basel, 2001.

\bibitem{SS}
{\scshape P.~Salberger {\normalfont \smfandname} A.~N. Skorobogatov} -- {\og
  Weak approximation for surfaces defined by two quadratic forms\fg},
  \emph{Duke Math. J.} \textbf{63} (1991), no.~2, p.~517--536.

\bibitem{S}
{\scshape A.~Skorobogatov} -- \emph{Torsors and rational points}, Cambridge
  Tracts in Mathematics, vol. 144, Cambridge University Press, Cambridge, 2001.

\bibitem{Sb}
{\scshape A.~N. Skorobogatov} -- {\og On a theorem of
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  \textbf{2} (1993), no.~3, p.~429--440.

\bibitem{thad}
{\scshape M.~Thaddeus} -- {\og Toric quotients and flips\fg}, \emph{Topology,
  geometry and field theory}, 
  p.~193--213,
 World Sci. Publishing, River Edge, NJ, 1994.

\end{thebibliography}