TY  - BOOK
AU  - Freitag,Eberrhard
TI  - Hilbert modular forms 
SN  - 3540505865 (Hb)
U1  - 512.2 F88H 23
PY  - 1990///
CY  - Berlin
PB  - Springer-Verlag
KW  - Hilbert modular surfaces
ER  -