TY  - BOOK
AU  - Kolman, Bernard
AU  - Ross, Sharon
AU  - Busby, Robert C
TI  - Discrete mathematical structures
SN  - 81-203-1147-7
U1  - 511.33/KOL 
PY  - 1997///
CY  - New Delhi
PB  - PHI
KW  - Mathematics
ER  -