@article{MZ_1965__87_170363,
     author = {Otto H. Kegel},
     title = {Zur {Struktur} mehrfach faktorisierter endlicher {Gruppen.}},
     journal = {Mathematische Zeitschrift},
     pages = {42--48},
     publisher = {mathdoc},
     volume = {87},
     year = {1965},
     zbl = {0123.02503},
     url = {http://geodesic.mathdoc.fr/item/MZ_1965__87_170363/}
}