%0 Journal Article %A Germain, Pierre %T Global existence for coupled Klein-Gordon equations with different speeds %J Annales de l'Institut Fourier %D 2011 %P 2463-2506 %V 61 %N 6 %I Association des Annales de l’institut Fourier %U http://www.numdam.org/articles/10.5802/aif.2680/ %R 10.5802/aif.2680 %G en %F AIF_2011__61_6_2463_0