\ifx\undefined\bysame
\newcommand{\bysame}{\leavevmode\hbox to3em{\hrulefill}\,}
\fi
\ifx\undefined\numero
\newcommand{\numero}{$\hbox{n}^{\hbox{\scriptsize o}}\,$}
\else\renewcommand{\numero}{$\hbox{n}^{\hbox{\scriptsize o}}\,$}
\fi
\begin{thebibliography}{CTKS}

\bibitem[BM]{batyrevmanin:hauteur}
V.~V. Batyrev et Y.~I. Manin, {\em Sur le nombre des points rationnels de
  hauteur born\'ee des vari\'et\'es alg\'ebriques}, Math. Ann. {\bf 286}
  (1990), 27--43.

\bibitem[BT]{batyrevtschinkel:tamagawa}
V.~V. Batyrev and Y.~Tschinkel, {\em Tamagawa numbers of polarized algebraic
  varieties}, Nombre et r\'epartition de points de hauteur born\'ee,
  Ast\'erisque, vol. 251, SMF, Paris, 1998, pp.~299--340.

\bibitem[Be]{bernstein:enumerating}
D.~J. Bernstein, {\em Enumerating solutions to $p(a)+q(b)=r(c)+s(d)$}, to
  appear in Math. Comp. (1999).

\bibitem[Co]{cohen:computational}
H.~Cohen, {\em A course in computational algebraic number theory}, Graduate
  Texts in Math., vol. 138, Springer-Verlag, Berlin, Heidelberg and New York,
  1993.

\bibitem[CT]{colliotthelene:hasse}
J.-L. Colliot-Th\'el\`ene, {\em The Hasse principle in a pencil of algebraic
  varieties}, Number theory (Tiruchirapalli, 1996), Contemp. Math., vol. 210,
  Amer. Math. Soc., Providence, 1998, pp.~19--39.

\bibitem[CTKS]{colliotkanevskysansuc:cubic}
J.-L. Colliot-Th\'el\`ene, D.~Kanevsky, et J.-J. Sansuc, {\em Arithm\'etique
  des surfaces cubiques diagonales}, Diophantine approximation and transcendenc
  theory (Bonn, 1985), Lecture Notes in Math., vol. 1290, Springer-Verlag,
  Berlin, Heidelberg and New York, 1987, pp.~1--108.

\bibitem[CTS]{cts:predescente2}
J.-L. Colliot-Th\'el\`ene et J.-J. Sansuc, {\em La descente sur une vari\'et\'e
  rationnelle d\'efinie sur un corps de nombres}, C. R. Acad. Sci. Paris S\'er.
  I Math. {\bf 284} (1977), 1215--1218.

\bibitem[FMT]{fmt:fano}
J.~Franke, Y.~I. Manin, and Y.~Tschinkel, {\em Rational points of bounded
  height on Fano varieties}, Invent. Math. {\bf 95} (1989), 421--435.

\bibitem[H-B]{heathbrown:density}
D.~R. Heath-Brown, {\em The density of zeros of forms for which weak
  approximation fails}, Math. Comp. {\bf 59} (1992), 613--623.

\bibitem[IR]{irelandrosen:number}
K.~Ireland and M.~Rosen, {\em A classical introduction to modern number theory
  (second edition)}, Graduate texts in Math., vol.~84, Springer-Verlag, Berlin,
  Heidelberg and New York, 1990.

\bibitem[Man1]{manin:brauer}
Y.~I. Manin, {\em Le groupe de Brauer-Grothendieck en g\'eom\'etrie
  diophantienne}, Actes Congr\`es intern. math., Tome 1 (Nice, 1970),
  Gauthiers-Villars, Paris, 1971, pp.~401--411.

\bibitem[Man2]{manin:cubic}
\bysame, {\em Cubic forms (second edition)}, North-Holland Math. Library,
  vol.~4, North-Holland, Amsterdam, New York and Oxford, 1986.

\bibitem[Pe]{peyre:fano}
E.~Peyre, {\em Hauteurs et mesures de Tamagawa sur les vari\'et\'es de Fano},
  Duke Math. J. {\bf 79} (1995), \numero 1, 101--218.

\bibitem[PT]{peyretschinkel:numericone}
E.~Peyre and Y.~Tschinkel, {\em Tamagawa numbers of diagonal cubic surfaces,
  numerical evidence}, to appear in Math. Comp. (1999).

\bibitem[S-D]{swinnertondyer:cubic}
P.~Swinnerton-Dyer, {\em Counting rational points on cubic surfaces},
  (L'Aquila, 1992) (C.~Ciliberto, E.~L. Livorni, and A.~J. Sommese, eds.),
  Contemp. Math., vol. 162, AMS, Providence, 1994, pp.~371--379.

\end{thebibliography}
