TY  - BOOK
AU  - Gerstein,Larry J.
TI  - Discrete mathematics and algebraic structures
SN  - 0716718049
U1  - 510 GER 
PY  - 1987///
CY  - New York
PB  - W.H. Freeman
KW  - Mathematics
KW  - ME
KW  - Algebra, Abstract
N1  - Includes index
ER  -