000			00303nam a2200133Ia 4500
008			240201s1979 xx 000 0 eng d
082			_a510 PER
100			_aPERELMAN, YAKOV
245		0	_aMATHEMATICS CAN BE FUN
260			_bMIR PUBLISHERS _c1979
300			_a400
650			_aMATH
942			_2ddc _cBK
999			_c5303 _d5303