TY  - BOOK
AU  - Liu, C L
TI  - Elements of discrete mathematics
SN  - 007043476X
CY  - New Delhi
KW  - Algebra -- (abstract)
KW  - Combinatorial analysis
KW  - Discrete mathematics
KW  - Mathematics
N1  - Call no: on the book 519.6 M5;5
ER  -