TY  - BOOK
AU  - Liu,C.L.
AU  - Mohapatra, D P.
TI  - Elements of discrete mathematics : : A computer oriented approach 
SN  - 9781259006395
U1  - 511 
PY  - 1985///,2013
CY  - New York
PB  - McGraw-Hill
KW  - Combinatorial analysis
KW  - Algebra, Abstract
N1  - Includes bibliographies and index
ER  -