TY  - GEN
AU  - Liu, C.L.
TI  - Elements of discrete mathematics
SN  - 0070381313
PY  - 1977///
CY  - New York
PB  - McGraw-Hill
KW  - COMBINATORIAL ANALYSIS
KW  - Algebra,Abstract
KW  - Finite mathematics
N1  - Index included
ER  -