000			00279nam a2200109Ia 4500
008			201121s9999 xx 000 0 und d
100			_aErdos, P
245		0	_aBullatin of the Calcutta Mathmatical Society
260			_bCalcutta ,Mathmatical Society
300			_c598
942			_cBV
999			_c16089 _d16089