%0 Journal Article %A David Conlon %T A new upper bound for diagonal Ramsey numbers %J Annals of mathematics %D 2009 %P 941-960 %V 170 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4007/annals.2009.170.941/ %R 10.4007/annals.2009.170.941 %G en %F 10_4007_annals_2009_170_941