%0 Journal Article %A Shoetsu Ogata %T Signature defects of Hilbert-Picard modular cusps. %J Mathematische Zeitschrift %D 1993 %P 401-410 %V 212 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1993__212_4_174495/ %F MZ_1993__212_4_174495