TY  - BOOK
AU  - Fraenkel, Abraham Adolf
AU  - 
TI  - Abstract set theory
U1  - 519.5 
PY  - 0000///
CY  - Amsterdam
PB  - 
KW  - abstract set theory
KW  - Statistical data handling
N1  -  studies in logic and the foundations of mathematics, ed. by L E J Brouwer and others
ER  -