@article{BAG_1983__15_138242,
     author = {M. KOEBE},
     title = {Nilpotenz und {Aufl\"osbarkeit} topologischer {Gruppen}},
     journal = {Beitr\"age zur Algebra und Geometrie},
     pages = {55--60},
     year = {1983},
     volume = {15},
     url = {http://geodesic.mathdoc.fr/item/BAG_1983__15_138242/}
}