@article{JRAM_1982__334_152446,
     author = {Eldar Straume and Wu-yi Hsiang},
     title = {Actions of compact connected {Lie} {Groups} with few orbit types.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {1--26},
     publisher = {mathdoc},
     volume = {334},
     year = {1982},
     zbl = {0476.22010},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1982__334_152446/}
}