@article{JOLT_2013_23_2_a4,
     author = {Hubert Rubenthaler},
     title = {Multiplicity {Free} {Spaces} with a {One-Dimensional} {Quotient}},
     journal = {Journal of Lie Theory},
     pages = {433--458},
     year = {2013},
     volume = {23},
     number = {2},
     url = {http://geodesic.mathdoc.fr/item/JOLT_2013_23_2_a4/}
}