TY  - BOOK
AU  - Harary,Frank
TI  - Graph theory/ 
SN  - 9788185015552 (pbk. ): 
U1  - 512.5 23rd
PY  - 1969///
CY  - New Delhi: 
PB  - Narosa Publishing, 
KW  - Graph theory
KW  - Mathematics
N1  - Foreword and an appendix on the four color theorem by V. Krishnamurthy; Includes Bibliography and Index
ER  -