TY  - BOOK
AU  - Bar - Hille,Yehoshua
AU  - Fraenkel,Abraham Adolf
TI  - Foundations of set theory
U1  - 512.817 
PY  - 1958///
CY  - Amsterdam
PB  - North - Hollan Publishing
KW  - Set theory
N1  - Includes bibl
ER  -