TY  - BOOK
AU  - Chakraborty, S. K.
AU  - Sarkar, B. K. 
TI  - Discrete mathematics
SN  - 0198065434
U1  - 511.1 
PY  - 2011/// (7th impression 2014)
CY  - New Delhi
PB  - Oxford University Press
KW  - Mathematics
ER  -