TY  - BOOK
AU  - Felgner, Ulrich.
TI  - Models of ZF-set theory /by Ulrich Felgner
T2  - Lecture Notes in Mathematics
SN  - 3540055916
U1  - 511.3 
PY  - 1971///
CY  - Berlin
PB  - Springer-Verlag
ER  -