TY  - GEN
AU  - Gerstein Larry J
TI  - Discrete mathematics and algebraic structures
SN  - 0716718049
AV  - QA39.2 
PY  - 1987///
CY  - New York
PB  - W.H. Freeman
KW  - Mathematics
KW  - Algebra Abstract
N1  - Includes index
ER  -