TY  - BOOK
AU  - Liu, C L
TI  - ELEMENTS OF DISCRETE MATHEMATICS
SN  - 007038133X
U1  - 511 
PY  - 1985///
CY  - Newyork
PB  - McGraw-Hill Book Comapny
KW  - sets and propositions
KW  - langauges
KW  - ordered sets
N1  - index
ER  -