TY  - BOOK
AU  - Liu,C.L.
TI  - Elements of discrete mathematics
SN  - 007043476X
U1  - 511.1 
PY  - 2002///
CY  - New Delhi
PB  - Tata McGaw Hill
KW  - Mathematics
KW  - Combinatorial analysis
KW  - Algebra, Abstract
N1  - Includes bibliographies and index
ER  -