TY  - BOOK
AU  - Liu, C. L.
AU  - Mohapatra, D. P.
TI  - Elements of discrete mathematics
SN  - 9781259006395
U1  - 511 LIU-C 
PY  - 2013///
CY  - India
PB  - Tata McGraw-Hill
KW  - Combinatorial analysis Algebra, Abstract
ER  -