@article{JRAM_1956__196_150315,
     author = {Wolfgang Engel},
     title = {Invariante {Divisorenscharen} bei endlichen {Gruppen} von {Cremonatransformationen.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {59--66},
     publisher = {mathdoc},
     volume = {196},
     year = {1956},
     zbl = {0070.38406},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1956__196_150315/}
}