@article{CMH_1956__31_139134,
     author = {Jean de Siebenthal},
     title = {Sur les groupes de {Lie} compacts non connexes.},
     journal = {Commentarii mathematici Helvetici},
     pages = {41--89},
     publisher = {mathdoc},
     volume = {31},
     year = {1956},
     zbl = {0075.01602},
     url = {http://geodesic.mathdoc.fr/item/CMH_1956__31_139134/}
}