TY  - BOOK
AU  - Wiktor,Marek
AU  - Onyszkiewicz,Janusz
TI  - Elements of logic and foundations of mathematics in problems
SN  - 9027710848
AV  - QA9 .M31913 1982
U1  - 511.3�19 
PY  - 1982///
CY  - Dordrecht, Holland, Warszawa
PB  - D. Reidel, PWN-Polish Scientific Publishers
KW  - Logic, Symbolic and mathematical
KW  - Set theory
ER  -