@article{JOLT_2017_27_4_a15,
     author = {Ra\'ul Quiroga-Barranco and Eli Roblero-M\'endez},
     title = {Rigidity of an {Isometric} {SL(3,R)-Action}},
     journal = {Journal of Lie Theory},
     pages = {1179--1197},
     year = {2017},
     volume = {27},
     number = {4},
     url = {http://geodesic.mathdoc.fr/item/JOLT_2017_27_4_a15/}
}