TY  - BOOK
AU  - Adamowicz,Zofia
AU  - Zbierski,Pawel
TI  - Logic of mathematics: a modern course of classical logic 
SN  - 0471060267
PY  - 1997///
CY  - New York
PB  - John Wiley & Sons. Inc.
KW  - Logic, Symbolic and mathematical
N1  - p. 254-256
ER  -