@article{MS2_1984__54_166897,
     author = {Henrik Schlichtkrull},
     title = {One-dimensional {K-types} in finite dimensional representations of semisimple {Lie} groups: {A} generalization of {Helgason's} theorem.},
     journal = {Mathematica Scandinavica},
     pages = {279--294},
     publisher = {mathdoc},
     volume = {54},
     year = {1984},
     zbl = {0545.22015},
     url = {http://geodesic.mathdoc.fr/item/MS2_1984__54_166897/}
}