@article{JRAM_1965__220_150701,
     author = {Otto H. Kegel},
     title = {\"Uber algebraische {Gruppen} mit nicht-trivialer {Partition.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {68--73},
     publisher = {mathdoc},
     volume = {220},
     year = {1965},
     zbl = {0135.07102},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1965__220_150701/}
}