TY  - BOOK
AU  - Chandrasekaran,N.
AU  - Umaparvathi, M.
TI  - Discrete mathematics
SN  - 9788120339385
U1  - 511.1 
PY  - 2010///
CY  - New Delhi
PB  - PHI Learning
N1  - Includes bibliographical references and index
ER  -