000 00275nam a2200109Ia 4500
008 220217s9999||||xx |||||||||||||| ||und||
100 _aD.S.C
245 0 _aGraph theory & Combinetrics
260 _aPrisam books
_bNew Delhi
_c2007
300 _b285
650 _aMATHEMATICS
999 _c174657
_d174657