TY  - BOOK
AU  - Slupecki Jerzy
AU  - Borkowski Ludwik
AU  - Wojtasiewicz O
TI  - Elements of mathematical logic and set theory
U1  - 511.3 
PY  - 1967///
CY  - London
PB  - Pergamon
KW  - Mathematical logic
KW  - Set theory
ER  -