000 00280nam a2200109Ia 4500
008 201121s9999 xx 000 0 und d
100 _aHarary,F.
245 0 _aBullatin of the Calcutta Mathmatical Society
260 _bCalcutta ,Mathmatical Society
300 _c504
942 _cBV
999 _c16090
_d16090