@article{JLT_2016_26_1_JLT_2016_26_1_a2,
     author = {K. Langlois and R. Terpereau},
     title = {On the {Geometry} of {Normal} {Horospherical} {G-Varieties} of {Complexity} {One}},
     journal = {Journal of Lie theory},
     pages = {49--78},
     year = {2016},
     volume = {26},
     number = {1},
     url = {http://geodesic.mathdoc.fr/item/JLT_2016_26_1_JLT_2016_26_1_a2/}
}