000			00404nam a2200145Ia 4500
008			211109s9999||||xx |||||||||||||| ||und||
082			_a517.5 _bKNO-P
100			_aKnopp konrad Dr
245		0	_aProblem Book In The Theory And Variable Tr By H D
260			_bDover _aNew York _c1945
300			_a138p
630			_xGeneral Stack
650			_aMathematics _vNatural Sciences _xMathematics
942			_cBOOK
999			_c25434 _d25434