TY  - BOOK
AU  - Sen, M. K.
AU  - B. C. Chakraborty
TI  - Introduction to discrete Mathematics
SN  - 81-87134-88-7
U1  - 511 
PY  - 2015///
CY  - Kolkata
PB  - Books and Alied lid.
KW  - Mathematics
ER  -