TY  - BOOK
AU  - Sarkar, Bikash Kanti
AU  - Chakraborty,Swapan kumar 
TI  - Combinatorics and  graph theory
SN  - 9788120351738
U1  - 511.6 
PY  - 2016///
CY  - Delhi
PB  - PHI  Learning
N1  - Includes index
ER  -