%0 Journal Article %A Pierre-Emmanuel Caprace %A Colin D. Reid %A George A. Willis %T Limits of Contraction Groups and the Tits Core %J Journal of Lie Theory %D 2014 %P 957-967 %V 24 %N 4 %U http://geodesic.mathdoc.fr/item/JOLT_2014_24_4_a2/ %F JOLT_2014_24_4_a2