@article{MAN_1955__130_160450,
     author = {W. Engel},
     title = {Ein {Satz} \"uber ganze {Cremona-Transformationen} der {Ebene.}},
     journal = {Mathematische Annalen},
     pages = {11--19},
     publisher = {mathdoc},
     volume = {130},
     year = {1955},
     zbl = {0065.02603},
     url = {http://geodesic.mathdoc.fr/item/MAN_1955__130_160450/}
}