TY  - BOOK
AU  - Roitman,Judith
TI  - Introduction to modern set theory
SN  - 0471635197
AV  - MATH QA248.R645 
PY  - 1990///
CY  - New York
PB  - John Wiley and Sons
KW  - Set theory
N1  - Bibliography: p.147-149
Includes index
ER  -