TY  - BOOK
AU  - Biswal, Purna Chandra
TI  - Discrete Mathematics and graph theory
SN  - 97881-2035061-8
U1  - 511.1 
PY  - 2015///
CY  - Delhi
PB  - PHI
KW  - graph theory
KW  - homomorphism
KW  - Mathematics
ER  -