000			00303nam a2200121Ia 4500
008			210324s1962 xx 000 0 und d
082			_a517.38 _bLEI
100			_aLeininger, C.W. _9303962
245			_aDifferential equation.
260			_c1962
650			_aMathematics _9303963
700			_aN.A. _9303964
999			_c268536 _d268536