@article{MAN_1966__163_161368,
     author = {O.H. KEGEL},
     title = {\"Uber den {Normalisator} von subnormalen und erreichbaren {Untergruppen.}},
     journal = {Mathematische Annalen},
     pages = {248--258},
     publisher = {mathdoc},
     volume = {163},
     year = {1966},
     zbl = {0135.04804},
     url = {http://geodesic.mathdoc.fr/item/MAN_1966__163_161368/}
}