@article{IM_1967__3_141869,
     author = {M. KOECHER},
     title = {\"Uber eine {Gruppe} von rationalen {Abbildungen.}},
     journal = {Inventiones mathematicae},
     pages = {136--171},
     publisher = {mathdoc},
     volume = {3},
     year = {1967},
     zbl = {0163.03002},
     url = {http://geodesic.mathdoc.fr/item/IM_1967__3_141869/}
}