TY  - BOOK
AU  - Liu,C.L.
TI  - Elements of discrete mathematics
SN  - 007038133X
U1  - 511 22
PY  - 1986///
CY  - New York
PB  - McGraw-Hill Company
KW  - Combinatorial analysis
KW  - BUEsh
KW  - Algebra, Abstract
KW  - GGEN
KW  - March2018
N1  - Includes bibliographical references and index
ER  -