@article{GDZPPN002322110,
title = {The Fixed Points of the Symmetrie Hilbert Modular Group of a Real Quadratic Field with Arbitrary Discriminant.},
journal = {Mathematische Annalen},
volume = {261},
year = {1982},
pages = {31-50},
zbl = {0467.10020},
url = {http://dml.mathdoc.fr/item/GDZPPN002322110}
}
Hausmann, Wilfried. The Fixed Points of the Symmetrie Hilbert Modular Group of a Real Quadratic Field with Arbitrary Discriminant.. Mathematische Annalen, Tome 261 (1982) pp. 31-50. http://gdmltest.u-ga.fr/item/GDZPPN002322110/