@article{MZ_1973__135_172008,
     author = {Rolf St\"olting},
     title = {\"Uber endliche {Hjelmselv-Gruppen.}},
     journal = {Mathematische Zeitschrift},
     pages = {249--256},
     publisher = {mathdoc},
     volume = {135},
     year = {1973},
     url = {http://geodesic.mathdoc.fr/item/MZ_1973__135_172008/}
}