TY - JOUR AU - Ogata, Shoetsu TI - Signature defects of Hilbert-Picard modular cusps. JO - Mathematische Zeitschrift PY - 1993 VL - 212 IS - 3 SP - 401 EP - 410 KW - Hilbert-Picard modular cusp; Tsuchihashi cups; signature defect UR - http://eudml.org/doc/174495 ER -