TY  - BOOK
AU  - Gerstein,Larry j, x
AU  - x
TI  - Introduction to mathematical structures and proofs: x
SN  - 0387979972
U1  - 511.3/G383i 
PY  - 1996///
CY  - New York
PB  - Springer
KW  - Logic,Symbolic and mathematical
KW  - Mathemmatics
N1  - x
ER  -