@article{CM_1986__58_2_233_0,
     author = {Schwermer, Joachim},
     title = {On arithmetic quotients of the {Siegel} upper half space of degree two},
     journal = {Compositio Mathematica},
     pages = {233--258},
     publisher = {Martinus Nijhoff Publishers},
     volume = {58},
     number = {2},
     year = {1986},
     mrnumber = {844411},
     zbl = {0596.10029},
     language = {en},
     url = {http://www.numdam.org/item/CM_1986__58_2_233_0/}
}