@article{GDZPPN002441292, title = {Signature defects of Hilbert-Picard modular cusps.}, journal = {Mathematische Zeitschrift}, volume = {212}, year = {1993}, pages = {401-410}, zbl = {0814.14002}, url = {http://dml.mathdoc.fr/item/GDZPPN002441292} }
Ogata, Shoetsu. Signature defects of Hilbert-Picard modular cusps.. Mathematische Zeitschrift, Tome 212 (1993) pp. 401-410. http://gdmltest.u-ga.fr/item/GDZPPN002441292/