TY  - GEN
AU  - Rosen, Kenneth H
TI  - Discrete Mathematics and Its Applications with combinatorics and Graph Theory
SN  - 978-0-07-068188-0
U1  - 510.240901 
PY  - 2011///
CY  - New Delhi
PB  - Tata Mc Graw -Hill Education Pvt. Ltd.
ER  -