TY  - BOOK
AU  - Rosen, Kenneth H.
TI  - Discrete mathematics and its applications: with combinatorics and graph theory 
SN  - 9780070681880
AV  - 21599-21606 
U1  - 511 22
PY  - 2017///
CY  - Chennai
PB  - McGraw-Hill
N1  - Includes index
ER  -