000			00353nam a2200145Ia 4500
008			220926s9999 xx 000 0 und d
100			_aB.Demidovich
245		0	_aProblems in Mathematical Analysis
250			_a5th Ed
260			_aMascow
260			_bMir Publication
260			_c1981
650			_aProblems in Mathematical Analysis
942			_cBK
999			_c3886 _d3886