TY  - BOOK
AU  - Felgner,Ulrich
TI  - Models of ZF-set theory
T2  - Lecture notes in mathematics
SN  - 3540055916
PY  - 1971///
CY  - Berlin, New York
PB  - Springer-Verlag
KW  - Axiomatic set theory
N1  - Bibliography: p. [168]-173
ER  -