%0 Journal Article %A Stefan Haesen %T Optimal inequalities for embedded space-times %J Kragujevac Journal of Mathematics %D 2005 %P 69 - 85 %V 28 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/KJM_2005_28_1_a5/ %F KJM_2005_28_1_a5