@article{MAN_1965__159_182676,
     author = {J. MENNICKE},
     title = {Zur {Theorie} der {Siegelschen} {Modulgruppe.}},
     journal = {Mathematische Annalen},
     pages = {115--129},
     publisher = {mathdoc},
     volume = {159},
     year = {1965},
     zbl = {0134.26502},
     url = {http://geodesic.mathdoc.fr/item/MAN_1965__159_182676/}
}