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@article{MS2_1965__17_165923, author = {Hans Maas}, title = {Modulformen zu indefiniten quadratischen {Formen.}}, journal = {Mathematica Scandinavica}, pages = {41--55}, publisher = {mathdoc}, volume = {17}, year = {1965}, zbl = {0141.08901}, url = {http://geodesic.mathdoc.fr/item/MS2_1965__17_165923/} }
Hans Maas. Modulformen zu indefiniten quadratischen Formen.. Mathematica Scandinavica, Tome 17 (1965), pp. 41-55. http://geodesic.mathdoc.fr/item/MS2_1965__17_165923/