%0 Journal Article %A Raúl Quiroga-Barranco %A Eli Roblero-Méndez %T Rigidity of an Isometric SL(3,R)-Action %J Journal of Lie Theory %D 2017 %P 1179-1197 %V 27 %N 4 %U http://geodesic.mathdoc.fr/item/JOLT_2017_27_4_a15/ %F JOLT_2017_27_4_a15