TY  - BOOK
AU  - Kolman,Bernard
AU  - Busby,Robert C  .
AU  - Ross,Sharon Cutler  .
TI  - Discrete mathematical structures / 
SN  - 9788120336896:
U1  - 511  21
PY  - 2009///
CY  - New Delhi : 
PB  - PHI Learning , 
KW  - MATHEMATICAL STRUCTURE
N1  - Includes index and glossary
ER  -