@article{MAN_1987__278_164288,
     author = {Hidehisa Naganuma},
     title = {On the {Theta} {Constant} of {Genus} 8 and {Hilbert} {Modular} {Groups} over {Certain} {Cyclic} {Biquadratic} {Fields.}},
     journal = {Mathematische Annalen},
     pages = {185--192},
     publisher = {mathdoc},
     volume = {278},
     year = {1987},
     zbl = {0635.10023},
     url = {http://geodesic.mathdoc.fr/item/MAN_1987__278_164288/}
}