TY  - BOOK
AU  - Marek Wiktor
AU  - Onyszkiewicz Janusz
TI  - Elements of logic and foundations of mathematics in problems
SN  - 90-277-1084-8
U1  - 511.3 
PY  - 1982///
CY  - Dordrecht
PB  - D Reidel
KW  - Mathematical logic
KW  - Set theory
ER  -